The geologic time scale is divided by several different spans of time. Which of the following divisions of time are all eras?

Group of answer choices

A. Paleocene, Eocene, Oligocene

B. Precambrian, Cambrian, Devonian

C. Cenozoic, Mesozoic, Paleozoic

D. Cretaceous, Jurassic, Triassic

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.