Which is a major function of diffusion in cells

How many protons and electrons are present in the mg2 + ion?

If I change the number of electrons in an atom, it becomes

What does the atmosphere do for humans?

How might an entire insect be preserved? Soft and hard tissues turn the insect into rock. Tree sap flows over the insect and hardens. Sediment accumulates over the insect and hardens. Carbon from the decaying insect leaves a print on a rock.

50 kilograms whats the weight on earth and on the moon

Charcoal appears black in color because it A) emits black-colored light. B) has a black-colored pigment. C) absorbs all wavelengths of light that fall on it. D) reflects all wavelengths of light that fall on it.

Determine the identity of the element that contains exactly three 4p electrons in the ground state

A substance that decreases hand increases ph when it dissociates in water is called

Why did scientists pre-Lavoisier believe that matter was destroyed in the burning fire experiment?

Describe the motions of particles in the 3 common states of matter