The Smith family is traveling in their cat at 50 km/h due East. Me Smith is using a cruise control to maintain a constant speed. Describe the net force in the Smiths car. A.) Net force equals zero B.) Net forces are unbalanced C.) Net force is positive to the East D.) There is no way to determine net force

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 would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Compare the composition of the moon's surface with the composition of the earth's surface.