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Maru [420]
3 years ago
10

PLEASE HELP!!!

Biology
2 answers:
lisov135 [29]3 years ago
5 0
A.
Glad I could help!
Nataliya [291]3 years ago
5 0

Answer:

A. Animals absorb nitrogen from the air they breathe and incorporate it into their tissues.

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Which of the following shows an unsaturated fatty acid?
taurus [48]

Answer:

C

Explanation:

Unsaturated fats that chains in their polymer chains as shown in the diagram in C. These kinks reduced the levels of compaction between adjacent polymer chains because they disrupt the hydrogen bonds between the chains . Therefore, the oils will not be solid at room temperature. This is why they are called unsaturated fats.  

6 0
3 years ago
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If someone did not meet the recommended intake of fat-soluble vitamins for one day, you would tell him to
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Not to be concerned as long as the diet as a whole provides average amounts 
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4 years ago
If you were given an unknown solution and no PH paper, could you determine whether it is acidic, basic or neutral using only the
Luba_88 [7]

Answer: The three given indicators can be used for testing whether the given solution is acidic, basic or neutral.

Phenolpthalein: It shows fuchsia color if the solution is basic in nature and remains colorless if the solution is acidic in nature.

Bromophenol blue : It shows yellow color in acidic solution and purple color in  basic solution.

Methyl red: It is red in acidic solution and yellow in basic solution.

If the solution is neither acidic nor basic then definitely it is neutral.

6 0
3 years ago
A car breaks down 2.1 m from the shoulder of the road. 1.99x103 N of force is used to push the car off the road. How much work h
vovikov84 [41]

Answer:

Joules

Explanation:

W = F * d

F = 1.99*10^3 N

d = 2.1 m

W = 4179 Joules

7 0
3 years ago
Which of the following organelles is properly matched to it's function?
kati45 [8]

The organelle properly matched to it's function is

-(C) lysosome: digestion

Explanation:

<u>Lysosomes</u> : It hold enzymes that were created by the cell. The purpose of the lysosome is to digest things. They might be used to digest food or break down the cell when it dies

<u>Endoplasmic reticulum</u> : to produce proteins for the rest of the cell to function.

<u>Chloroplast</u> : They are responsible to carry out photosynthesis

7 0
3 years ago
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