There are three main branches of science. O True O False​

Answer:

no Seasons are dependent on the Earth's orbit around the sun

Explanation:

Answer: this is false fish only have water flow through there gills not mouths and thay dont have to be swimming

Serial dilution is a simple process that involves repeated dilution of a stock solution to obtain solutions of different concentrations. This can be used to prepare a series of dilutions, each of which is one-tenth or one-third of the preceding concentration.

The following is an example of a serial dilution scheme to prepare 1/10, 1/30, and 1/90 dilutions of a disinfectant:Step 1: Obtain 3 sterile tubes labeled A, B, and C. Step 2: Transfer 1 mL of the disinfectant to tube .

A containing 9 mL of sterile water. This is the 1/10 dilution.Step 3: Transfer 3 mL of the 1/10 dilution to tube B containing 7 mL of sterile water. This is the 1/30 dilution. Step 4: Transfer 3 mL of the 1/30 dilution to tube C containing 7 mL of sterile water. This is the 1/90 dilution.

Therefore, 1/10, 1/30, and 1/90 dilutions of a disinfectant can be prepared using this serial dilution scheme.

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A testable hypothesis is one that can be tested through empirical research, meaning that it is possible to gather evidence to support or refute it.

A hypothesis is a possible explanation that is proposed for a phenomenon that occurs in nature. In the scientific method, hypotheses are tested by collecting and analyzing data to either support or reject them.

A testable hypothesis could be formed from a question by using the following steps:

Identify the phenomenon that you want to study: Start by identifying the phenomenon that you want to study. This could be a relationship between two variables or a question about how something works. Develop a research question: Based on the phenomenon you want to study, develop a research question that can be answered through empirical research. This question should be specific and should be able to be tested using scientific methods. Formulate a hypothesis: Using your research question, formulate a hypothesis that can be tested through empirical research. This hypothesis should be a statement that proposes a possible explanation for the phenomenon you are studying. It should be clear, concise, and testable.

Test the hypothesis: Once you have developed a testable hypothesis, you can design and conduct experiments to gather data that will either support or refute the hypothesis. If the hypothesis is supported by the data, you can consider it to be a valid explanation for the phenomenon you are studying. If the data refute the hypothesis, you may need to revise it or develop a new hypothesis.

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Answer:

im confident in D. They both require energy from the sun.

Explanation:

i dont have much to prove it but, yeah.

One forms glucose and the other breaks it down.

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Respiration is the chemical process by which organic compounds release energy.

Answer:

The diameter of the field of view for the high power objective lens (50X) can be calculated using the following formula:

Field of view (mm) = Ruler size (mm) / Magnification

Plugging in the values given in the question, we get:

Field of view (mm) = 1.5 mm / 50X

This simplifies to:

Field of view (mm) = 0.03 mm

So the diameter of the field of view for the high power objective lens (50X) is 0.03 mm.

Explanation:

Answer:

You can tell because the left pulmonary is facing front

Explanation:

I asked my grandma she is a nurse

Answer: 1 Mutuslism 2 predation 3 parasitism 4 mutualism 5 predation

6 commensalism 7 parasitism 8 commensalism

Explanation:

Answer: Movement

Explanation:

Answer:

league of nations

global issues of security

Explanation:

Answer:

c

Explanation:

Answer:

Synthetic, cotton

Explanation:

Synthetic fabric wrinkles less than cotton fabric.

Wrinkle is known to be an unusual fold, ridge or crease in the cloth. Some cloth experience this type of wrinkle why some do not. The material of the cloth determines its ability to wrinkle.  Synthetics are known to be more wrinkle resistant than cotton and even linens. 100% linen or a blend of cotton/linen. Even polyester clothes are more wrinkle resistant than cotton.

Mammals' skulls, as well as their dentition, may provide us with information about their diet. The skull of a mammal that lacks sharp canine teeth and has broad, flat molars, is likely to be herbivorous.

Furthermore, the molars' flat shape indicates that the mammal is probably a grazer that consumes grass or tough vegetation. In contrast to carnivorous mammals that use their sharp, pointed canine teeth to tear flesh and their molars to shear meat into smaller pieces, herbivorous mammals use their flat, wide molars to grind and crush tough vegetation.

The molars are often covered in ridges and crests, which increase the surface area of the teeth, allowing them to break down the fibrous plant material into smaller pieces that can be more easily digested. The molars are frequently continually expanding throughout the animal's life, allowing the animal to continue to grind up vegetation even as its teeth become worn down due to constant use.

The skull and teeth of a mammal provide important clues about its lifestyle, feeding habits, and ecology, and scientists can learn a lot about past animals by studying their bones.

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Salivary gland in humans ;

1) Sublingual glands

2) Submandibular glands

3) Parotid glands

Answer:

One salivary gland in humans is Parotid glands.

Hope its helpful :-)

Answer:

Asexual reproduction is a type of reproduction where an offspring comes from a single parent. They will only have the genes of that one parent. It is different from sexual reproduction in which offspring come from two parents.

The reason why the crow is black can be traced to the presence of melanin pigments poduced by cells known as melanocytes.

The reason that explains why the corw's back is black is the presence of melanin pigments produed by the cells in their skin, hair, and feather. In humans, these pigments are also responsible for the balck color of individuals.

The amount of melanin produced by the body can determine how dark a peron or animal appears. So, melanin os the causative factor for blackness.

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Process increases thermal energy of atoms in star and impacts color of light star radiates: D.) the conversion of mass into energy during nuclear fusion.

Energy contained within a system that is responsible for its temperature is called thermal energy and heat is the flow of thermal energy. Whole branch of physics, thermodynamics, deals with how heat is transferred between different systems and how work is done in process.

There are three types of thermal energy transfer, that are : conduction, radiation and convection. Convection is a cyclical process that occurs in fluids.

Thermal Energy is also known as random or internal Kinetic Energy due to  random motion of molecules in system.

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Answer:

#1. Each set of chromosomes

Explanation:

Nucleus part main job is to direct a plant cell's activities by sending instructions to different parts of the cell.

Plant cells are eukaryotic cells with a genuine nucleus and particular organelles to carry out particular tasks. Plant cells do, however, include several organelles that are unique from those seen in other eukaryotic cells.

Roots, stems, leaves, flowers, and reproductive structures are only a few of the major classes of cells and tissues that are formed when plant cells differentiate from undifferentiated meristematic cells, which are similar to the stem cells of animals.

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Genetic Variants in a species accurately defines the strain in a scientific name.

Inheritable variations can arise from gene variants( also called mutations) or from a normal process in which inheritable material is rearranged as a cell is getting ready to divide( known as inheritable recombination). inheritable variations that alter gene exertion or protein function can introduce different traits in an organism. An revision in the most common DNA nucleotide sequence. The term variant can be used to describe an revision that may be benign, pathogenic, or of unknown significance. The term variant is decreasingly being used in place of the term mutation. Sexual reduplication promotes variable gene combinations in a population leading to inheritable variation. exemplifications of inheritable variation include eye color, blood type, disguise in creatures, and splint revision in shops.

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Answer:

I think it is climate change causes global warming but I'm not sure

If a sperm cell consist of 8 chromosomes, it comes from an animal that has 16 chromosomes. So, the correct option is (D).

Chromosomes are defined as thread-like structures made of proteins and a single molecule of DNA that carry genomic information from cell to cell. In plants and animals, including humans, chromosomes reside in the nucleus of cells.

Each chromosome is made up of a single protein and a single deoxyribonucleic acid (DNA) molecule that is passed from parent to offspring, and contains specific instructions that make each type of living organism unique.

While sperm has eight chromosomes, the animal it comes from has 16 because the gametes received half the chromosomes from the parent cell.

Thus, if a sperm cell consist of 8 chromosomes, it comes from an animal that has 16 chromosomes. So, the correct option is (D).

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Urban sprawl has been correlated with increased energy use, pollution, and traffic congestion and a decline in community distinctiveness and cohesiveness.

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The cell wall protects the cell it acts like a barrier

Answer:

Answer to the following question is as follows;

Explanation:

The kidneys filtration undesirable chemicals from the bloodstream and expel them through urine. Urine is formed in three stages: glomerular filtration, re - absorption, and secretion. These procedures guarantee that the bodies natural waste and surplus water are eliminated.

Answer:

Mitochondria.

Explanation:

Mitochondria is a cell organelle which also known as power house of the cell. It works like a machine because it produces energy when fuel is provided in the form of glucose. In machines, fossil fuels are provided in order to generate energy while Mitochondria work same as the machine, it produces energy in the form of ATP when glucose is provided and this energy is used in various activities by the cell.