In humans carbon dioxide is excreted by _

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

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.

What is the molar mass of ca(cio4)2