The answer is B.
During plate tectonics, cracks may occur in the earth crust that causes magma to rise up from the mantle. The cracks may also cause cracks to form on the crust that makes outlet channels for the magma in magma chambers. These result in volcanic eruptions on the surface of the earth that form volcanic features such as mountains.
Physical erosion and chemical erosion
I'm not sure its correct the two might be considered the same
The answer is a for this question
as necessidades energéticas totais da UE em termos de consumo interno bruto foram cobertas pelas seguintes fontes: 35% de petróleo, 24% de gás, 17% de combustíveis, sólidos como o carvão, 14% de energia nuclear, 10% de energia renovável, como a energia hídrica ou eólica.