After pangaea broke up, north america became part of what?

The p sub shell can hold up to 8 electrons in an atom. true or false?

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.

Which statement describes james chadwick’s discovery.