7. Which substance is an element?
Owater
O Oxygen
O petroleum
O carbon dioxide

The pressure in a fluid is affected by which characteristics of that fluid

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 do dying stars contribute to the formation of planets