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seropon [69]
3 years ago
12

Biology help please!

Biology
2 answers:
pav-90 [236]3 years ago
8 0
<span>The brain is a very complex organ in humans. Although we still have a lot to learn about it, decades of studies in both living and dead humans had revealed that the brain is crosswired, meaning the right side of the brain controls the left side of the body and viceversa. It’s also the part of the brain associated with arts and our creativity. Therefore the answer is B</span>
Degger [83]3 years ago
3 0

The answer is B. the right hemisphere of the cerebrum

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Part 1: Why is Fresh Water in Short Supply?
shepuryov [24]

Part 1;

Because there is only limited amounts of fresh water on the Earth the rest is salt water; which humans can not survive on as the salt dehydrates our bodies instead of hydrates.

1) The more we try to get the the fresh water the more we will likely make more pollution.

2) The more we use the less there is.

3) Everything needs water.

Part 2; no idea I believe it is the ice caps, as it is fresh water in the ice caps and not a lot of humans up there to pollute the runoff.    

6 0
3 years ago
When looking at an object in a solution, how do you determine what is hypertonic/hypotonic/isotonic?
Contact [7]
Hypertonic- the water moves out of the cell

Hypotonic- the water moves into the cell

Isotonic- no water movement
7 0
2 years ago
Someone plzzz help with this question
Vlad [161]

Answer:

Ion

Explanation:

An Ion is exactly as stated it bears either a positive or negative charge.

7 0
3 years ago
Gene expression can be turned on and off by
Marat540 [252]

Answer:

Advantage

Explanation:

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6 0
2 years ago
Which form of natural selection on polygenic traits results in the creation of two distinct phenotypes? A. Directional selection
mojhsa [17]

Answer;

-Disruptive selection

Disruptive selection results in the creation of two distinct phenotypes.

Explanation;

-Disruptive selection is a type of natural selection that selects against the average individual in a population. The make up of this type of population would show phenotypes of both extremes but have very few individuals in the middle.

-The variance of the trait increases and the population is divided into two distinct groups. The disruptive selection will cause organisms with intermediate traits to reproduce less, and will allow those organisms with extreme traits to reproduce more.

5 0
3 years ago
Read 2 more answers
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