The condition describing either: a decrease in the number of red blood cells, or the hemoglobin within the red blood cells is

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Is snow a type of precipitation? explain why or why not.

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy