Answer:
A
Explanation:
"A red dwarf, which is half as massive as the sun, can last 80 to 100 billion years, which is far longer than the universe's age of 13.8 billion years. (This long lifetime is one reason red dwarfs are considered to be good sources for planets hosting life, because they are stable for such a long time.)"
Answer:
Carbon can form four covalent bonds
Explanation:
Answer:
Charles Darwin came up with the theory of evolution.
Answer:
B. Ice gains heat becomes liquid, gains more heat, and forms a gas.
Explanation:
