Answer:
Explanation:
Considering the atmosphere of the primitive earth to have contained water vapor, carbon dioxide, carbon monoxide, methane, and ammonia and/or nitrogen, then in the presence of an energy source, such as sunlight or lightning, a number of small molecules like hydrogen cyanide, HCN, are formed.
Answer:
The second one?
Explanation:
That's very complicated but from what I can tell it looks like it would be the second answer
Answer: The equation you are going to use is D=M/V. Plug the density number in that the question provided and do the same for volume and solve for m.
Explanation:
11.3=m/6.7
11.3x6.7=m
Climate, Land form/shape and fossils(he was most interested in this)