i would think the answer is B.........
The main factor that determines the stages a star will follow after the main sequence is the star's mass or size.
<h2>What is star?</h2>
An astronomical object referred to as a star is made up of a bright plasma spheroid that is held together by gravity.
- The Sun is that the star that is closest to Earth. Other stars also are visible at night with the unaided eye, but because to their great distances from Earth, they seem as stationary points of light.
- Many of the brightest stars have names, and therefore the most notable stars have been grouped into constellations and asterisms.
- Star catalogues are put out by astronomers that list the known stars and offer standardized stellar labels.
<h3 /><h3>What function does a star serve?</h3>
- Furthermore, stars are crucial because they create life on Earth.
- The Sun is that the most significant since life on Earth wouldn't exist without it.
- Earth would merely be a rock covered in ice.
- As an illustration, ancient mariners relied on the celebs to assist them navigate at sea.
<h3>What causes a main sequence star to form?</h3>
But if the body has sufficient mass, the collapsing gas and mud burns hotter, eventually reaching temperatures sufficient to fuse hydrogen into helium. The star activates and becomes a main sequence star, powered by hydrogen fusion.
Learn more about star here:
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I'm pretty sure it's heterozygous Rr.
Answer:
Explanation:
There are two sets of nerve cells in the hypothalamus that produce hormones. One set sends the hormones they produce down through the pituitary stalk to the posterior lobe of the pituitary gland where these hormones are released directly into the bloodstream. These hormones are anti-diuretic hormone and oxytocin.
