This is just a free points . But why would u want to be an optomestrists

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.