The amount of a harmful chemical to which a person is exposed to, is also known as response.

A. True

B. False

What is the best source of vitamin c

This is a large, covalently-bonded molecule that has a repeated structural unit

True or false question Because they are more complex, many-called organisms cannot reproduce asexually

What organisms makes its own food using light energy from the sun

1. What method did Theodor Schwann use to verify his hypothesis that all living things are composed of cells? A. He tried to grow an organism from a single cell. B. He studied literature on the development of cell theory. C.

What body system contains hemoglobin

A distinguishing characteristic that can be inherited is what

The forming and breaking of bonds in a chemical reaction always involves changes in energy what are the 2 options of what happens to that energy?

Demographic transition is the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system. A demographic transition involves four stages.

Why does the oxygen atom in a water molecule have a negtive change