Which of the following is the largest?
A. the Universe
B. the Solar System
c. the Milky Way Galaxy
D. the Sun
Pl hel

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

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.

Which muscle is responsible for inhalation ?