Why is global warming a cause of concern for the environmentalists

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

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.