Answer:
True
Explanation:
Although the amount varies, the overall amount of carbon on earth is stable.
Answer:A. a large mount of heat is released.
B.roses
C. the higher the friction, the slower the acceleration.
D. a four-leaf clover
Explanation:
There are 2 high tides and 2 low tides every 24 hours.
The answer is C. solid iron and nickel
They looked and saw Rosalind Franklin's X-ray crystallography which sparked them to think about the double-helix structure, and from there, they played around with cafeteria items (forks and spoons and whatnot) to create a model that finally worked.