What happens to the matter in rock when it melts beneath Earth’s surface? How does the melting process eventually lead to igneous rock forming?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

Which type of intermolecular force is pbr3

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as