Hello there Jonnromeroo, thank you for asking a question here on Brainly!
You Asked ➤ Which of the following processes begins when a star enters the main sequence?
↴ OUR CHOICES ↴
A: Nuclear fission
B: Nuclear fusion
C: Condensation of a nebula
D: Appearance of a supernova
------------------------------------------------------------------------------------
Answer ➤ B: Nuclear fusion
Explanation: When a star begins the process of being created, it is hot and dense. Really hot and dense! It begins to start fusing with helium which is the start of its main sequence called nuclear fusion.
I hope this answer is helpful to you, but please let me know if you have any other questions regarding it.
<em>- Qamar </em>
<span>In many plants, stomata are found only on
the lower surface of the leaf. The most likely explanation for this fact
is that water loss would be less on the shaded lower surface than in
direct sun. </span>
Protein is a fat soluble vitamin
Answer:
B. increase biodiversity
It can't increase the biodiversity it can effect the biodiversity
Answer:
The proteins in plasma include the antibody proteins, coagulation factors, and the proteins albumin and fibrinogen which maintain serum osmotic pressure.
