Which of the following statements are true of catalysts? Select all correct answers.
A. They are used up in the reaction.
B. They increase the rate of reactions.
C. They are considered reactants in chemical reactions.
D. They lower activation energy.

Answer:

gimme ye points

Explanation:

Answer:

- Most living things need food, water, light, temperatures within certain limits, and air. Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce, grow, and are dependent on their environment.

The Animals rights are moral principles based in the belief that non-human animals deserve the liberty to live as they wish, not being linked to human beings desires and needs, since the autonomy principle is what substantiates the Animal rights. Currently, researchers, research institutes, and pharmaceutical and cosmetic indrusties (all the institutions that do test in animals) follow legislation aimed at guaranteeing the Animals rights. These laws are important to make sure that the animals will be safe and in an environment with all their needs being met, since we have to consider the animals necessities and cherish their well being, that benifit the overall environment that we live.

Enterocoelous refers to the condition in which the coelom develops from pouches "pinched" off of the digestive system, whereas Schizocoelous refers to the condition in which the body cavity is formed by the splitting of the mesoderm during embryonic development.

Unlike Schizocoelous, where the capsule is created either by breaking the capsule or by pouches "pinched" off of the digestive tract, Enterocoelous is an illness in which the coelom originates from pouches "pinched" off of the digestive system.

A method for how certain animal embryos develop is known as schizocoelous or schizocoelic. When secondary heart cavities coeloms are created by breaking a solid mass of pair with polished nickel hardware embryonic tissue, the schizocoely process takes place.

What is the formation of the coleom for the enterocoelous and schizocoelous plan?

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Pressure is the driving force behind water movement in an aquifer.

A layer of porous rock, soil, or gravel that can store and convey water is known as an aquifer.

Therefore, The water table level and the hydraulic conductivity of the aquifer's composition can both affect the pressure within it. Water movement in an aquifer is fueled by this pressure differential which can lead water to flow from high-pressure to low-pressure regions.

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Answer:

The answer would be C.

Explanation:

Answer:

your answer should be C

Explanation:

Answer:

Answer 1: The purpose of an experiment is to test a hypothesis.

Answer 2: Scientists commonly measure intensive properties to determine a substance's identity, whereas extensive properties convey information about the amount of the substance in a sample.

Answer 3: These principles are at work in the fundamental elements of the scientific method, such as formulating a hypothesis, designing an experiment to test the hypothesis, and collecting and interpreting data. In addition, more particular principles characteristic of specific scientific disciplines influence the methods of observation; the acquisition, storage, management, and sharing of data; the communication of scientific knowledge and information; and the training of younger scientists.

Answer 4: Data collection tools refer to the devices/instruments used to collect data, such as a paper questionnaire or computer-assisted interviewing system. Case Studies, Checklists, Interviews, Observation sometimes, and Surveys or Questionnaires are all tools used to collect data.

Answer 5: The purpose of an experiment is to test out your hypothesis. If your hypothesis is correct, then it is a theory that could work every single time the experiment has been performed by scientists.

Answer 6: ?

Answer 7:  the first step toward teaching my students how to critically think about how they structured an argument or explanation was to implement the Claim, Evidence, Reasoning (CER) framework. While the premise behind CER isn’t anything new to the way science teachers already think, it provides an entirely different approach toward how students connect their experiences and previously learned content into something that is much more reflective of being scientifically literate.

Answer 8: ?

Explanation:

Hope this helped! :)

The purpose of an experiment is to test a hypothesis.

The properties that are more useful in determining the identity of an unknown substance are the intensive properties.

The tools that can be used to collect data are known as data collecting tools. Examples include questionnaires, observations, etc.

The aim of an experiment is to test a hypothesis, demonstrate a known fact, or provide insight into cause-and-effect. It demonstrates the outcome that occurs when a particular force is manipulated.

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In year 1, the population was 11,500 spread over 115 hectares.

Carrying capacity referred to as a specie's average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water. If these needs are not met, the population will decrease until the resource rebounds.

The number of beetles per hectare is 11,500/115= 100 beetles.

By year six, when the beetles reached the carrying capacity, the number of beetles per hectare is 14,677/115 = 128  beetles.

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Answer:

C

Explanation:

Father/mother must each donate a blood gene to the child. Father must have a genotype of ii because O blood is recessive. Thus, the kid must have one O type gene. However, the kid has A type blood overall, so the kid must have an A (dominant) gene as well. Thus, the answer is IAi.

Answer:

Climate and Weather: Some animals migrate to avoid extreme weather conditions, such as cold winters or dry seasons. By moving to more favorable climates, they can find suitable temperatures, avoid resource scarcity, or escape harsh environmental conditions.

Answer:

There are several reasons why some animals migrate while others are able to live in the same place year-round. One of the main reasons is related to the availability of resources such as food, water, and shelter. Animals that live in areas with a stable and predictable supply of resources may not need to migrate, while those that live in areas with seasonal changes in resource availability may need to move to find food and water.

Another factor that can influence migration is climate. Animals that are adapted to cold temperatures may migrate to warmer areas during the winter months, while those that are adapted to warmer temperatures may migrate to cooler areas during the summer months.

Genetics and evolution can also play a role in migration patterns. Some species have evolved to migrate as a way to avoid predators or to take advantage of seasonal changes in resource availability. Other species have evolved to stay in one place year-round and have developed adaptations that allow them to survive in their environment without the need to migrate.

Overall, the decision to migrate or stay in one place year-round is influenced by a complex interplay of environmental, genetic, and evolutionary factors.

Answer:

Answer down below v

Explanation:

The types of diseases that river basins carry are waterbone diseases.

They are cause mostly from contaminated water from which is housed in the river.

Some major diseases cause by water are:

cholera, diarrhoea, dysentery, hepatitis A, typhoid, and polio.

Hopefully this helped. If it didnt, I am sorry. Anyways, have a wonderful day! :)

Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.

It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.

An individual  who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.

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Answer:

B. Increases the genetic variation

Explanation:

Here's how you can categorize the terms:

Advantage:

Abundant

Disadvantage:

Reacts with other elements.

Easier to crush.

It should be noted that "harder to crush" is not a disadvantage, as it implies durability and strength, which can be seen as an advantage.

Answer: b...

Explanation:

The nucleus does not split into two during interphase as the cell gets ready for mitosis. Therefore, option B is correct.

Mitosis is a process used to create more cells that share the same genetic makeup as the parent cell. It is crucial for the growth and development of human bodies as well as for the embryonic development of living things. Mitosis generates new cells and replaces injured, destroyed, or aging ones.

This type of cell division takes place in somatic cells, it produces two identical somatic cells. The number of chromosomes is the same in parent and daughter somatic cells. Prophase, prometaphase, metaphase, anaphase, and telophase are these stages.

The nucleus does not split into two during interphase as the cell gets ready for mitosis. Therefore, option B is correct.

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Answer:

Nurture.

Explanation:

Whether or not you get blue eyes depends on your parents and their genes.

Answer and explanation

A decrease in the allowable number of inadvertent kills.

Answer:

A gene is a short section of DNA. your genes contain instructions that tell your cells to make molecules called protein

Answer:

Basically gene produces a functional product such as a protein which regulates the functioning of our cells via carrying out different processess.

Explanation:

Genes are short segments of our DNA that code for functional products such as proteins. Proteins basically do everything in your cells and your phenotype (what you look like and how you cells behave) everything is controlled by these functional products that a gene makes.

Answer:

The AB blood type is one that, according to the blood type classification, does not have Anti-A or Anti-B antigens in its cells, with which, in short, it is constituted as the only blood type that is a universal receptor in case you need a transfusion, since you can receive blood from people with blood type 0, A, B or the same AB.

The following Mendel concluded about patterns of inheritance : C) Similar forms of genes account for variation in the inherited traits.

Mendel concluded that inheritance is determined by discrete units called genes, which are passed down from parents to offspring in a predictable manner.

He observed that some traits are dominant over others, and that these dominant traits can mask the expression of recessive traits. Mendel also proposed the Law of Segregation, which states that during gamete formation, the two alleles of a gene separate from each other so that each gamete carries only one allele for each gene.

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Answer:

B.

Explanation:

Individuals living in a culture tend to adapt to cultures and then adapt cultures to suit themselves is true regarding cultural variations. The correct option is d).

Cultural variations refer to the differences in customs, beliefs, behaviors, and social institutions among different cultures. People within a particular culture may have different characteristics, attitudes, and beliefs, and they may express their culture in different ways. Culture is also not static, it changes over time, and individuals living in a culture may adapt to the culture and, in turn, influence the culture to suit their needs.

Therefore, cultural variations are not predictable or identical and are subject to change over time. The d. Individuals living in a culture tend to adapt to cultures and then adapt cultures to suit themselves is true.

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Answer:

The time that it takes the isotope to decay varies. Sometimes the time is short, and other times it’s long.

Explanation:

Hope this helps :3

The time that it takes the isotope to decay varies. Sometimes the time is short, and other times it’s long.

Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element's atomic number on the Periodic Table.

Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.

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because the level of chlidren born per day stay at the high level it increases day per day

 The bending the waves around objects is a common feature of both refraction and diffraction. Refraction and diffraction both involve the bending the waves through with a medium and around an object.

Correct answer option, B

A normal just at point of incidence, the refracted ray, or the incident ray all lie on the same plane. For the given pair of media, the sine of a angle of incidence I to the sine of the of refraction (r) is always constant.

1. The normal just at point of incidence, the refracted ray, and the incident ray all lie within the same plane. 2. For the given pair of media, the sine of a angle of incidence to the sine of the of refraction ratio is constant.

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Answer:

Option A and option D

Explanation:

Refraction and diffraction both involve the bending of waves.

Refraction involves the bending of waves through a medium, and diffraction involves the bending of waves around an object.

the frequency of the heterozygote (Bb) in the population is approximately 0.4431, or 44.31%. To determine the frequency of the heterozygote, we first need to determine the frequency of the blue-eyed homozygote and the brown-eyed homozygote.

Given that 25% of the individuals have blue eyes, we can infer that the frequency of the blue-eyed homozygote (bb) is 0.25, or 25% (since blue is recessive). Therefore, the frequency of the brown-eyed homozygote (BB) can be calculated as 1 - 0.25 = 0.75, or 75%.

Now, let's denote the frequency of the heterozygote (Bb) as p. Since there are only two alleles in the population (B and b), the sum of the frequencies of all genotypes must equal 1.

The frequency of the heterozygote can be calculated using the equation:

2pq + p^2 + q^2 = 1,

where p represents the frequency of allele B, and q represents the frequency of allele b.

Since brown eyes are dominant, the frequency of the brown allele (p) can be calculated as the square root of the frequency of the brown-eyed homozygote (BB), which is 2*0.75*0.25

Therefore, the frequency of the heterozygote (Bb) can be calculated as:

2(0.866)(0.134) + (0.866)^2 + (0.134)^2 ≈ 0.4431.

Rounding this value to four decimal points, we get a frequency of approximately 0.4431 for the heterozygote.

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Answer:

A

Explanation: