The two basic categories of major nutrients are
a. big nutrients and small nutrents.
b. macronutrients and micronutrients.
c. common and uncommon nutrients

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?

Which particle controls what element an atom is?