It was most likely either weathering or tectonic plates moving away from each other. More likely tectonic plates
Chromosomes have genes that determine specific thing about a person (hair color, eye color, how tall or short a person is etc....).
Answer:
28
Explanation:
28 is correct. (NH4)2 is equal to 10 atoms. (8 H and 2 N ) CO3 is equal to 4 atoms. (1 C and 3 O) That's 14 atoms. But it's two molecules of this. So you just multiply by the number of molecules (2), and you get 28.
I'll answer the first question: the answer is....a kilogram of bricks.
