Answer:
A. White ethnicity
Explanation: People of the white ethnicity have the least amount of melanin in their skin which protects the skin from harmful UV rays
If there is a waterfall or rapids than you couldn't go swimming in the river
Well if you are adding sides to something then that makes that object HAVE to go bigger. That will affect the area. So making it bigger by forcing more sides onto a object.This way making you area getting bigger. Hope that helped. :) :) :) :).
Answer: Mining is an activity which the earth is dig to obtain minerals and oil reservoirs.
Explanation:
The two environmental consequences that are responsible for filling the valleys are soil erosion and downstream mining causing the contamination of the neighboring water source. Soil erosion is resultant of the mining activity causing the trees to be uprooting from their site and making soil prone to the affect of physical factors like wind and water.