What are insulated foam cups most likely made out of?

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax

At what point in the eukaryotic cell cycle does mitosis occur

Which statement best describes enzymes? (1) they slow down the rate of breathing (2) they are the building blocks of polymers (3) they speed up the conduction of impulses along a nerve cell (4) they influence the rate of chemical reactions