Answer:
C
Explanation:
A nebula is an interstellar cloud of dust, hydrogen, helium and other ionized gases.
Answer:
Red blood cells rely on glucose for energy and convert glucose to lactate. The brain uses glucose and ketone bodies for energy. Adipose tissue uses fatty acids and glucose for energy. The liver primarily uses fatty acid oxidation for energy. hopes this helps
Answer:
Main sequence stars change into giant star by exhausting their hydrogen supply.
Explanation:
This fact explain that main sequence stars change into giant star by exhausting their hydrogen supply. A main sequence star burns due to the presence of hydrogen in its core, because of this burning the main sequence reaching the end of its life cycle. Then the pressure of fusion reaction provides an outward thrust that expands the star many times larger than its original size, that leads to the formation of a red giant.
The Endocrine System. As noted earlier, the endocrine system is not a part of the nervous system, but it is still essential to communication throughout the body. This system is composed of glands, which secrete chemical messengers known as hormones.
Over time the surviving (light) months will mate with the darker moths and eventually all moths remaining will be the darker ones
