The stem of a plant must be strong to keep the plant from falling down. The roots of a plant grow underground and the roots take in water for the plant. What structure of an animal functions like the plant stem? Awnswers: A. the nose B. the heart c. the skin d. skeleton

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years