Adding the number of protons and neutrons together gives you the atoms

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis

Which force diagram accurately represents a satellite in orbit around earth? image for option 1 image for option 2 image for option 3 image for option 4