What is a substance? a. a uniform mixture that can’t be separated b. a mixture that can be separated c. a single component that can’t be separated d. a single component that can be separated

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

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

Explain light independent reactions