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zhenek [66]
2 years ago
6

!!!!!PLEASE HELP!!!!! #3 and #4 are the ones i need help on

Biology
2 answers:
vfiekz [6]2 years ago
3 0

Answer:

3. Protons and Neutrons.

4. Electrons only.

baherus [9]2 years ago
3 0

Answer:

3 can be b

Explanation:

4 can be d

so sorry if wrong  

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N76 [4]

Answer:

Plant make their own food using sunlight. Hebivores eat plants for food. Omnivores eat plants and animals for food.Carnivores eat animals for food

8 0
3 years ago
A shining light casts a horizontal beam through a spacecraft. Which two observers would see this beam of light in the exact same
Bas_tet [7]
<h2>Answer: </h2><h3>The correct answer is option C. </h3>

<h2>Explanation: </h2>

From the following question, the third option is right, because when the shining light create a horizontal beam over the spacecraft, the observer who is on the earth would see that light in the same way at the time spacecraft is at rest and when observer in the spacecraft at the time spacecraft is at rest.

So this is the correct answer.

4 0
3 years ago
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Notice the populations decrease as you go from the bottom of the food chain to the top.
Airida [17]

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Because God made it that way :D

Explanation:

7 0
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There was a change in the environment between
olga nikolaevna [1]

These changes are likely genetic mutations

<h2>Further Explanation </h2>

Evolution is the process of change in all life forms from one generation to the next, and evolutionary biology studies how this evolution takes place. Every generation of organisms inherits traits owned by their parents through genes. <u><em>Changes (called mutations)</em></u> in this gene will produce new traits in the offspring of an organism. In an organism's population, some traits will become more common, while others will disappear. traits that help the survival and reproduction of organisms will be more likely to accumulate in a population than unfavorable traits. This process is called natural selection. The income of more offspring than the number of parents along with the inheritance of these traits is an additional fact about life that supports the scientific basis of natural selection. In a long time, this isolated population will become a new species.

Learn more

Genetic mutation brainly.com/question/793485

Evolution brainly.com/question/312738

Details

Class: Middle School

Subject: Biology

Keywords: Genetic mutation, evolution

4 0
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Gives rise to the gastrodermis, tissues that lines the gut.
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Endoderm

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