Name and explain 3 advantages/disadvantages about solar energy to heat or produce electricity compared to using fossil fuels or other alternatives (specifically include environmental issues that can happen.
Answers
Answer:
Advantages of Solar Energy:
Renewable: Solar energy is a renewable source of energy, which means it is replenished naturally and can be used over and over again without depleting the resource.
Clean: Solar energy is a clean source of energy as it does not emit any harmful pollutants or greenhouse gases during the generation of electricity or heat.
Low Maintenance: Solar panels require very little maintenance, as they have no moving parts that can wear out, which makes them cost-effective in the long run.
Disadvantages of Solar Energy:
Intermittent: Solar energy is an intermittent source of energy, as it is only available during the day and is affected by weather conditions, which means it cannot provide a constant source of energy.
High Initial Cost: The installation of solar panels can be expensive, as it requires specialized equipment and skilled professionals, which can be a significant barrier to entry for individuals and small businesses.
Land Use: Solar farms require large amounts of land, which can be a concern in areas with limited space or competing land use needs, such as agriculture or conservation.
Environmental Issues:
Resource Extraction: The production of solar panels requires the extraction of certain materials, such as silicon and rare earth metals, which can have negative environmental impacts if not managed responsibly.
Waste: Solar panels have a lifespan of approximately 25-30 years and can be difficult to recycle, which can lead to a buildup of electronic waste if not properly disposed of.
Land Use: Solar farms can have significant impacts on local ecosystems, as they require large amounts of land and can disrupt habitats, migration routes, and other natural processes.
Related Questions
Can someone help please
Answers
The image creates a database with genetic info (option 2).
What is a database with genetic info?A database with genetic info is a group of genetic sequences and data on they that can be used to understand the expression of different traits through the presence of polymorphisms in this case single nucleotide polymorphisms that may lead to differences between individuals.
Therefore, with this data, we can see that a database with genetic info can be used to understand why certain traits are present in some individuals while not in others.
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what is the name of the region on duplicated chromosomes where the sister chromatids are most closely attached to each other? this region would be the 'waist' of the chromosome.
Answers
Answer:
Centromere
Explanation:
The centromere is the center of the chromosome where the sister chromatids are most closely attached to each other.
Why do tectonic plates on Earth’s surface move?(1 point)
Responses
The pressure from the ground pushes the plates apart.
The pressure from the ground pushes the plates apart.
The iron blocks in Earth’s core collide and move the plates.
The iron blocks in Earth’s core collide and move the plates.
The plates are surrounded by bodies of water that push the plates.
The plates are surrounded by bodies of water that push the plates.
The heat from Earth’s core moves molten rock beneath the plates.
Answers
The tectonic plates on Earth's surface move because: (4) The heat from Earth’s core moves molten rock beneath the plates.
Tectonic plates are the irregular mass of solid rock which is composed of continental as well as oceanic lithosphere. It is also called the lithospheric plate. The location of these tectonic plates is above the layer of partially molten rock called asthenosphere.
Earth's core is the inner most layer of the earth. It is the most hot and dense layer. The radius of core is about 1220 km. The core is rich in metals like iron and nickel and other elements that can dissolve in iron.
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What is mass flow system. Pls it's urgent.
Answers
Answer: Mass flow or bulk flow is the movment of substance in big masses or something moving in a big group.
Explanation:
Its kind of like a river or blood flowing through your veins because its a mass of a substance moving in a group.
According to evolutionary theory, species that exist today are the result of a
slow, continuous change of living things over time. Why is this considered to
be a theory and not a law?
A. A law is based on mathematical calculations. Evolutionary theory
is a description based on observations.
O B. A law is supported by extensive research. Evolutionary theory is
an educated guess.
O
C. A law describes natural events but does not attempt to explain
them. Evolutionary theory is an explanation of how living things
have changed over time that is well supported by scientific
evidence.
O D. A law has been proved with scientific evidence. Evolutionary
theory may change when new evidence is found that does not
support the theory.
Answers
Answer:
It's answer could be A aur B
Explanation:
not sure but I know that this theory is given by dar VIN
Identify a food chain that consists of a producer, a primary consumer, a secondary consumer and a tertiary consumer.
Answers
Answer:
A producer consumes water and sunlight, while a primary eats the producers, while the secondary can either eat the producers and the primary consumers or just eats the primary consumers. The tertiary consumers are at the top of the food chain and can eat all of the above for a stable food source.
i hate biology stggg
Answers
Answer:
I think it would be A
Explanation:
32 chromosomes divided by two daughter cells equals sixteen.
Why do we soak a seed in water before sowing in the soil?
Answers
Answer:
we do it to select the best seeds
the seeds floating on the top are bad seeds which are empty inside
the seeds that are on the bottom are good seeds they are heavy
Why is a heat-stable DNA polymerase from a thermophilic bacterium (the Taq polymerase) used in the PCR rather than a DNA polymerase from E. coli or humans? PCR involves heating the reaction at the beginning of each cycle to separate the newly synthesized ds DNA into single strands so that they can act as templates for the next round. a. UsingTaq avoids having to add it afresh for each round of DNA replication. b.Taq allows a faster transcription c. Taq is specific for RT-PCR d. none of them
Answers
heat-stable DNA polymerase from a thermophilic bacterium is used in PCR because using Taq avoids having to add it afresh for each round of DNA replication.
Since PCR involves heating the reaction at the beginning of each cycle to separate the newly synthesized ds DNA into single strands so that they can act as templates for the next round, the use of a heat-stable polymerase like Taq allows for continuous amplification without the need for adding fresh polymerase each time.
Additionally, Taq is specific for PCR and allows for faster transcription, making it the preferred choice for this technique.
Therefore, the answer is option a: Using Taq avoids having to add it afresh for each round of DNA replication.
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Which of the following can upset the balance of an ecosystem?
too much water
not enough water
too much light
not enough light
all of the above
none of the above
Answers
Answer:
All of the above.
Explanation:
all four of those situations can cause plants to die and animals with it. Without plants, herbivores will not have food and either die or leave, and without herbivores, carnivores will face the same situation.
What is true of table salt?
D.It has simple molecules.
C.It has only one element.
B.It is an ionic compound.
A.It has radicals.
Answers
Answer:
c because it is
contrast the role of spores in the land plant life cycle with the role of gametes; identify the structures associated with the dispersal of spores in non-vascular land plants.
Answers
Spores are the cells performing asexual reproduction whereas gametes are involved in sexual reproduction in the land plants. The non-vascular land plants have various structures like elaters, peristomeal teeth, capsules, etc. that help in spore dispersal.
Spores are the diploid non-gametic structures involved in reproduction. They alone can give rise to offspring through asexual mode of reproduction. They can reproduce by fragmentation or by formation of special structures called gemmae.
Peristomeal teeth are the triangular tooth-like structures that surround the capsule of bryophytes. There are two sets of teeth with 16 in each set. They perform hygroscopic movement and therefore help in dispersal.
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the reactants for cellular respiration glucose and oxygen are the products formed in the process of
Answers
Answer:photosynthesis
Explanation:
Glucos is formed in Calvin cycle and oxygen is formed in light dependent reactions.
Which of the following describes a method of energy conservation?
O A. Driving a car with low fuel efficiency less often than before
O B. Switching to an appliance that has lower energy efficiency
O C. Driving a car with high fuel efficiency more often than before
XOD. Removing the insulation from a home before using the heater in winter
Answers
Weathering is best defined as a process in which
Arooks and soil are pulled downhil by gravity
B sediment and sand are carried away by gusts of wind
Crooks are slowly broken down into sediment or soil
D. rocks are carved out along shorelines by waves and streams
Answers
Answer:
Crooks are slowly broken down into sediment or soil
Answer:
C
Explanation:
Because I got it right also kanye west the best rapper
What are the 3 types of intelligence?
Answers
The three key aspects of intelligence are analytical, creative, and practical intelligence.
Since the beginning of psychology, researchers' definitions of intelligence have changed numerous times. Charles Spearman, a British psychologist, believed intelligence was made up of a single general factor called g that could be measured and contrasted across individuals. Spearman emphasized the similarities among numerous intellectual abilities while downplaying the differences.
When a person analyses, evaluates, judges, as well as compares and contrasts stimuli, analytical intelligence is involved. Analytical intelligence is primarily measured on IQ tests and is associated with problems that really are fairly abstract in their nature. Cognitive behavioral theories of psychotherapy incorporate the idea that how a person thinks influences how they act. When a person creates, explores, imagines, supposes, as well as synthesises stimuli, they are using creative intelligence.
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FILL THE BLANK. the thick whitish layer surrounding the testis is the ______.
Answers
Answer:
tunica albuginea
Explanation:
The thick whitish layer surrounding the testis is the tunica albuginea.
Hope this helps!
The thick whitish layer surrounding the testis is called the tunica albuginea.
The tunica albuginea is a fibrous layer that surrounds the testis, which is the male reproductive organ responsible for producing sperm. It is a dense connective tissue layer that provides structural support and protection to the testis. The tunica albuginea is composed of collagen fibers and fibroblasts, giving it its thick and whitish appearance. It forms a capsule around the testis and extends inward, dividing the testis into lobules. These lobules contain the seminiferous tubules, where sperm production takes place.
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Muscle cells can produce molecules which can influence gene expression called
A. heat shock proteins.
B. myokines.
C. cytokines.
Answers
Answer:
C sorry if I'm wrong
step by step explanation
Because the genetic code is nonoverlapping, a missense mutation (from a single nucleotide change) results in the alteration of _____, and the resulting protein has _____.
A. three codons; a single amino acid change
B. only one codon; a single amino acid change
C. only one codon; at least three amino acid changes
D. three codons; three amino acid changes
Answers
Because the genetic code is nonoverlapping, a missense mutation (from a single nucleotide change) results in the alteration of only one codon; and the resulting protein has a single amino acid change. The correct option is B.
In the genetic code, each codon consists of three nucleotides, and they are read in a nonoverlapping manner during translation. A missense mutation occurs when a single nucleotide change in the DNA sequence leads to the substitution of one nucleotide for another in the corresponding mRNA transcript.
Since the genetic code is nonoverlapping, a missense mutation affects only one codon, specifically the codon where the nucleotide change has occurred. As a result, the alteration caused by the mutation leads to a single amino acid change in the resulting protein. The correct option is B.
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Where are the major endocrine glands located?
A) In the head, shoulders, knees, and toes
B) In the abdomen, joints, brain, and spinal column
C) In the brain, neck, abdomen, and groin
D) In the gall bladder, appendix, tonsils, and spleen
Answers
Answer:
a
Explanation:
Photosynthesis and cellular respiration play an important role in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere. Provide an explanation for which letter best represents the role of photosynthesis in the carbon cycle.
A) E, because CO2 is being used by photosynthetic algae.
B) D, because CO2 from animal wastes are being released back into the atmosphere.
C) A, because CO2 being produced by plants in photosynthesis is being released into the atmosphere.
D) B, because CO2 from the atmosphere is being used in the process of photosynthesis to produce glucose.
Answers
Answer:
D) B, because CO2 from the atmosphere is being used in the process of photosynthesis to produce glucose.
Explanation:
best explanation
The letter which best represents the role of photosynthesis in the carbon cycle is B, because carbon dioxide from the atmosphere is being used in the process of photosynthesis to produce glucose. Thus, the correct option is D.
What is Photosynthesis?The carbon cycle describes the process through which carbon atoms are continually travelled from the atmosphere to the Earth and then back into the atmosphere. Since, the planet Earth and its atmosphere form a closed environment, the amount of carbon present in this system does not change, it only transforms.
The best letter to represent the role of photosynthesis in the carbon cycle is B, because carbon dioxide from the atmosphere is being used in the process of photosynthesis to produce glucose.
Therefore, the correct option is D.
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_________________ protect seed against pests and or herbicides. group of answer choices germination scarification coating protectants
Answers
Coating with protectants provides protection to the seed against pests or herbicides.
What are seed protectants?They are protective materials derived from plants that are applied to the seeds. They protect the seed against pests or herbicides until about 3-4 weeks after germination.
This process results in providing protection to the plant when it is most required, i.e during germination by preventing any seedling disease and also by working as an insecticide. This is a type of seed treatment to prevent the decay or degeneration of seeds due to some organisms present in the soil.
Therefore coating protectants help to protect the seed against pests or herbicides.
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Scientists use modern technology to clone a sheep. This method affects which genetic traits the offspring would inherit from its parent.
What percentage of the parent's traits would the offspring inherit?
a. 25%
b. 50%
C.75%
D.100%
Answers
Answer: D 100%
Explanation: A clone is an individual that was grown from a single cell of the parent, so that means that they are the same.
Because when cloning it’s involves creating the exact genetic copy of the parents cells. The technique is called nuclear transfer or nuclear transplantation so instead of making the clone unique their using the DNA of a sheep and making a second sheep that is exactly like the original one
what is a geologic time column?
Answers
Answer: A Columnar diagram that shows the rock formations of a locality or region and that is arranged to indicate their relations to the subdivisions of geologic time
Explanation:
If the _________ starts with a consonant, a combining vowel is needed to join the two word parts.
Answers
The two-word elements must be joined by a combining vowel if the suffix begins with a consonant.
A suffix is an affix that follows the word stem in linguistics. Typical examples include adjectives, verb endings, and case endings, which indicate the grammatical case of nouns and verbs. Suffixes can communicate grammatical or lexical information.
In the Western English-language naming tradition, a name suffix comes after a person's full name and offers more details about the individual. Post-nominal letters reveal a person's position, level of education, accreditation, office, or distinction (e.g., "PhD", "CCNA", "OBE").
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pls
help quickly!!
what is the probability of an offspring having genotype J_K_L_
in a cross with the genotypes of JjKkLL x JjkKLl
Answers
In the given cross, JjKkLL x JjkKLl, the probability of an offspring having genotype J_K_L_ can be calculated using Punnett squares, which is a visual representation of the possible offspring genotypes resulting from a particular cross.
The Punnett square for this cross is shown below:| | J | j || K | KJ | kJ || L | LL | Ll |The possible offspring genotypes are:KJLL, KJLl, kJLL, kJLl, KjLL, KjLl, kjLL, and kjLl.From the above genotypes, it can be seen that only the first and the fifth genotypes have the J_K_L_ genotype.Therefore, the probability of an offspring having genotype J_K_L_ in this cross is 2/8 or 1/4 or 0.25 or 25%.Hence, the probability of an offspring having genotype J_K_L_ in a cross with the genotypes of JjKkLL x JjkKLl is 25%.
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Why is the model of the plasma membrane described as being fluid?
Answers
The fluid mosaic model of the cell membrane means that the proteins, phospholipids, and other components of the plasma membrane are moving constantly and aren't fixed in a position.
Explain how photosynthesis and cellular respiration are chemically opposite.
Answers
Answer:
So photosynthesis requires energy from sunlight, water and carbon dioxide from the atmosphere in the presence of chlorophyll to produce glucose and release oxygen as by product.
That is: 6CO2+6H2O——————>C6H12O6+6O2
chlorophyll
Respiration,on the other hand,requires oxygen to breakdown glucose in order to release energy, oxygen and water vapor.
That is: 6O2+C6H12O6—>6CO2+6H20+ATP
Please I need help on this
Answers
Answer:
C: Converting radiant energy into chemical energy.
Explanation:
Only plants (producers) in a typical ecostystem can convert radiant energy into chemical energy.
Answer:
Converting Radiant energy into Chemical energy.
Explanation:
There are two main purposes for plants. 1. Providing oxygen 2. serving as producers. As we know, plants take in the sunlight from the sun and make glucose with it. This glucose in its form is chemical energy that benefits both the plants, or the consumers that eat them, or some parts of the plant. It does not talk about oxygen or atmosphere except for nitrogen, which they actually get from the ground. Therefore, Converting Radiant energy into Chemical energy would be the right answer.
most bacterial cells are encased by a strong cell wall composed of which is a carbohydrate matrix cross-linked by polypeptides. t/f
Answers
Most bacterial cells are encased by a strong cell wall composed of peptidoglycan or murein which is a carbohydrate matrix cross-linked by polypeptides.
The statement is false.
The distinct big macromolecule known as peptidoglycan, also known as murein, is a polysaccharide made up of sugars and amino acids that forms a layer that resembles a mesh outside the plasma membrane and makes up the hard cell wall (murein saccules) that is characteristic of most bacteria (domain Bacteria ). Alternating residues of N-acetylglucosamine (NAG) and N-acetylmuramic acid make up the sugar component (NAM). An oligopeptide chain with three to five amino acids is joined to the N-acetylmuramic acid.
A layer that resembles a 3D mesh can be created by cross-linking one peptide chain to another peptide chain on another strand. The bacterial cell wall's peptidoglycan plays a structural role by providing structural support and balancing the cytoplasm's osmotic pressure.
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