Which contains a heavy atom often used in nuclear fission reactions to produce thermal energy? a.) carbon b.) uranium c.) petroleum d.) hydrogen

What does macbeth see on his way to kill the king?

Which of the following crops is not typically grown in the great plains region? a. corn c. soybeans b. rice d. wheat

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there