Recall from previous activities in this lesson which era is sometimes referred to as the age of mammals. locate and click on this section of the geologic time scale, and list the other possible names that could have been used to describe this era, and why.

Terrence would like to reward himself after each goal he sets, but he's not sure what type of reward to choose. he's easily distracted and finds it hard to concentrate at times. which would be the best type of reward for terrence? a. a brief social network break b. a long nap c. a snack while he keeps studying d. watching a couple of tv shows