Necesito respuesta es para mañana de ciencias

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

In which state was more than 100 billion tons of coal mined in 2005?