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Advocard [28]
3 years ago
12

REALLY EASY!!! JUSUT CAN'T CHOOSE IF IT IS A OR B!!!! WILL GIVE BRAINLIEST!!!! AT LEAST TAKE A LOOK!!! ANSWER IF 100% SURE THO!!

!
7. Which stages begin and end the human menstrual cycle?
A) menstruation, ovulation
B) puberty, ovulation
Biology
2 answers:
Elanso [62]3 years ago
5 0

Answer:

A

Explanation:

menstruation, ovulation

hjlf3 years ago
3 0

Answer: A.

Explanation: Mensruation begins the cycle by getting the egg ready to be released then the ovulation ends the cycle because the egg has been released thus ending the need for the blood in the walls.

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Moose may have evolved to become larger because they could better protect themselves from predators. What other factors might ha
Gre4nikov [31]

Answer:

Moose may have evolved to become larger because they could better protect themselves from predators. What other factors might have caused this? Answers vary, but may include sexual selection, warmth, parasites and disease, etc.

Explanation:

6 0
3 years ago
A molecule composed of amino acids joined together. It contains nitrogen in addition to CHO
belka [17]

Answer:

This question describes a PROTEIN

Explanation:

Proteins are one of the four biological molecules in living systems. It is a biological polymer composed of monomeric units called amino acids, which are chemically joined together by peptide bonds.

An amino acid structurally consists of a central carbon atom bonded to an hydrogen atom, carboxylic acid group (-COOH), an amine group (-NH2) and a R side chain, which distinguishes one amino acid from another. Since all amino acids have a nitrogen-containing amine group, all proteins also contains nitrogen in their structure. Hence, a protein consist of an hydrocarbon (CHO) with a nitrogen atom.

5 0
3 years ago
11. Using the diagram to the left,if line n bisects QR find QP
trapecia [35]

Answer:

QP = 41

Explanation:

Its geometry its easy...

Since its getting cut through the middle that means they equal each other

3x + 5 = 5x - 19 (Use a calculator)

x = 12

Since your solving to find QP you plug it into QP

3(12) + 5 = 41

:)

4 0
4 years ago
*<br> what’s a small cellular structure with a specific function
eduard

Answer:

tissues

Explanation:

organised to perform one or more specific function

7 0
3 years ago
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