HELP!

Which of the following statements in incorrect?

a. One mole of ozone, O3(g), has a mass of 48.0 g.

b. One mole of methane, CH4(g), contains 6.02 x 1023 carbon atoms.

c. 12.01 g of carbon has the same number of atoms as 12.01 g of nitrogen.

d. One mole of a substance is the amount of the substance that has the
same number of entities as 12.00 g of carbon-12.

It would be

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

12 is probably the typical age for a first kiss but i think its to young.