Scientists who study the forces that make and shape planet earth are called

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

What object a collides with object b and bounces back its final momentum is?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form