What is the green substance needed for photosynthesis?

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.

1. list three scientific reasons cockroaches may fly.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons