Answer:
It might Be A. Rough and Unsertain
Explanation:
In the earths mantle the convection currents pass through the mantle which then causes friction in the tectonic plates causing earthquakes,volcanoes or tsunamis
Well dumping is a method, waste materials are dumped in open low labs away from the city.
Antarctica and Greenland provide examples of polar climates.
Happy Studying! ^-^