Earth is the only planet that has a and a a.) cryosphere, biosphere b.) lithosphere, cryosphere c.) biosphere, hydrosphere

Aplant may open end close its stomata to prevent excess water loss and maintain

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?