I believe your answer is C. incandescent bulb
Answer:
history influences geography; but geography has no historical influence
Explanation:
This is because History definitively effects Geography because what people do in the past. And Geography effects history. Take the great flood for example, that is the largest flooded recorded in Oregon, Nevada, and California.
Answer:
Just talk trash about them
Explanation:
Talk about them with someone you trust so that they won't tell anyone