What type of sun rays delivers more sun energy per square mile to earths surface

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

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

How can an organ, such as the lungs, work for multiple body systems?