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bulgar [2K]
3 years ago
9

What causes us to experience day and night? (Explain the science behind it.) *

Biology
2 answers:
abruzzese [7]3 years ago
8 0

Answer:

Earth rotates on its axis; this causes us to experience day and night.

Explanation:

There is a time when Earth's north pole is tilting 23.5 degrees toward our Sun.

alina1380 [7]3 years ago
5 0
Not sure what it is sorry i couldn’t help
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The following facts are true about resource A
IceJOKER [234]

Answer:

Option D, renewable resource

Explanation:

A renewable resource is the resource  which can be replenished after every use. Or in general the time taken by it to replenish must be small. For instance, fossil fuels too are renewable but the time taken by them to renew is too high and hence they are also considered as non-renewable.  

Also renewable resources can be used again and again.  

Hence, option D is correct

5 0
3 years ago
If the DNA content of a diploid cell in prophase I is x, what would it be for the same cell at prophase II?
pentagon [3]
<span>A is the correct answer. Diploid cells all contain two sets of chromosomes. Prophase 1 occurs during the first phase of meiosis, a type of cell division, and prophase 2 is the same process, but this time occurring without chromosome reduplication. As a result, there is the original and duplicated cells, which makes two.</span>
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3 years ago
_____ is the irregular break of a mineral
Sati [7]

Answer:

I'm not sure if this is right, but i believe the right answer would be fracture.

Explanation:

In geology, a fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane.

hope this helps :)

5 0
3 years ago
Read 2 more answers
Which kind of electrical charge is found on a hydrogen atom of a polar water molecule
irina1246 [14]

<span>Explanation: Oxygen is the more electro-negative of the atoms in the water molecule, so it tends to pull the 'shared' electron more to itself. Thus, the oxygen atom has a greater time-share of all electrons, and therefore the hydrogen atoms are more positive for a partial lack of electrons</span>

<span />

8 0
3 years ago
About one quarter of drugs prescribed in the U.S. comes from
Alexxandr [17]
I'm not sure but I think the answer is A. Plants. Then again I'm not 100% sure that this is correct
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3 years ago
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