Carbon in the atmosphere is most often found as which of the following compounds? A. stratospheric ozone B. fossil fuel C. carbon monoxide D. carbon dioxide 4 3

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.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.