What do scientists need to do before humans head into mars?

Which answer best explains the consequences of the mass hysteria that took place during the salem witch trails

Iwill have sailed around the world by the end of next year. what is the verb form in the sentence? future perfect past emphatic present progressive past perfect

Which sentence has an incorrect shift in pronoun-antecedent agreement? a) each teacher needs to be paired up. b) each man needs to carry his own load. c) each of these women runs their own business. d) each child should bring his or her own lunch.