Why is thermal energy from the sun transferred to earth through electromagnetic waves instead of any other type of thermal energy transfer?

Why is metal often used for cooking pan?

It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.2 gpa). as one goes deeper and deeper in the ocean, the pressure increases by 10000 pa for every meter below the surface. if a diver goes down 80.0 m in the ocean, by how much does each cubic centimeter of her blood change in volume? give the answer in cubic centimeters (actually one cubic centimeter equals one milliliter).

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?