The answer is #4. The first and second one involve acid, which is chemical weathering. The third one involves oxidation, which is a chemical process. The only mechanical process is option four.
Answer:
Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. That causes their genes to become more common in the population over time, and it's the way species evolve to adapt to changes in their environment.
Explanation:
hope this helps =)
Answer:
I'd say it is C. They are all different forms that magma takes after a volcanic eruption
Explanation:
Magma is the liquid form of lava and ash and cinder come form the burning of matter. Hope this helps.