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Alexxx [7]
3 years ago
5

Natural selection only occurs with which type of variation?

Biology
2 answers:
Kryger [21]3 years ago
8 0

The answer is B) Genetic variation

IceJOKER [234]3 years ago
3 0
Genetic variation would be the right answer
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8. Which zone contains floodplains in a strcam system?
Vikentia [17]

Does this help?

A floodplain (or floodplain) is a generally flat area of land next to a river or stream. It stretches from the banks of the river to the outer edges of the valley. A floodplain consists of two parts. The first is the main channel of the river itself, called the floodway.

5 0
3 years ago
I need help please!
wolverine [178]

Answer:

50%

Explanation:

So the cross is hh x Hh

Making a punnet square would get Hh,hh,Hh,hh

The percent of babies that will have Hh is 50%

4 0
3 years ago
Is there a scientific reason why adults don't really understand their children?
Alenkinab [10]
Throughout their teenage years, children's minds are literally being rewired. Teenagers are unable to comprehend facial expressions or other's emotions which can make it for others to understand them or for them to even understand themselves.
8 0
3 years ago
Stroke volume is the amount of blood that leaves the left ventricle of the heart with each contraction. If a person has a stroke
makvit [3.9K]

Explanation:

The amount of blood that leaves the left ventricle of the heart with each contraction is called Stroke volume.

A person has a stroke volume of 80 ml/beat. It means that it is 80 milliliters per beat.

We need to find how many liters would that be.

We know that, 1 litre = 1000 milliliters

1 mL = 0.001 L

To convert 80 mL to litres, we can do it as follows :

80 mL = (80 × 0.001) LL

= 0.08 L

Hence, he stroke volume of a person is 0.08 L/beat.

8 0
3 years ago
What is the name of the structure labeled C in the diagram below?
elena-s [515]

Answer:

it is a cell membrane (d)

Hope this helps!!!

3 0
3 years ago
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