Answer:
When fusion no longer generates enough pressure to counteract gravity, the star rapidly collapses to form a black hole.
hope it's clear!
Answer:
42
Explanation:
Relative mass = number of protons + number of neutrons
Relative mass = 20 + 22
Relative mass = 42
Answer:
<h2>
<u>W</u><u>ater</u> covers 70 percent of earth's surface.</h2>
Answer:
creating new water molecules and lowering the amount of free H+ in the system, thereby raising the overall pH.
Explanation:
<span>The pointer will be above the zero mark</span>