Answer:
rising into the atmosphere, cooling and changing into a liquid form.
Answer:
I think it might be A. I'm not sure.
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
Answer:
Either on 12th June or 14th
Explanation:
Answer:
B.
Explanation:
Lamarck's theory basically says that traits that are developed over time can be passed on (Theory of Inheritance of Acquired Characteristics), which is incorrect. Darwin is correct that only traits possessed at birth can be passed on.