Which of the following characterizes a group of people to use in a focus group? - current customers who use your product now
- possible customers who may use your product.
- people who will never buy your product.
- past customers who have used your product

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers