How did the Missouri comprise of the 1820 appease northern and southern delegation

Which pronoun has an unclear antecedent in the following sentences? the sixth-grade students liked volunteering their time to read to the elderly people in the hospital. it made them happy. a. their b. it c. them d. no unclear antecedents

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.