Answer:
They give off their own light energy
Explanation:
I'm taking astronomy and I answered this questions not too long ago
Answer:
Either B or C. Composition or the Distance from the Earth.
Answer:
vines or body vessels
Explanation:
Veins are vessels of the circulatory system that support circulation by conveying blood to the heart. Blood flowing through the circulatory system transports nutrients, oxygen, and water to cells throughout the body.
Answer: 1.5 x 10^24
Explanation: Just multiply 2.5 by avagadro's number 6.2 x 10^23 to get the answer.
