I would answer your question but i think you wanted to add options. next time you can just screen shot and actually i think you still can by pressing the edit button. And there are several types of wedges you could be talking about mechanical, frost, salt, etc.
You need to be a bit more specific. but i would be more than happy to answer your question. :)
Answer:
B. Weathering
Explanation:
Fire makes trees weather and die.
B. The prefrontal cortex is used to plan complex cognitive behavior, personality expresison, and moderate social behavior.
Answer:
A hydrogen atom is made up of a nucleus with charge +1, and a single electron. Therefore, the only positively charged ion possible has charge +1.
Explanation:
Hope this helps