Q: As the human population increases, more fossil fuels are being used. The burning of fossil fuels produces greenhouse gases. How might humans reduce greenhouse gases?
A: Use renewable resources to generate power.

Q: The main function of hormones in the human body is to
A: regulate body functions

Q: The Sun appears larger than other stars because of its
A: distance from Earth

Q: Which of the following statements best explains why earthquakes occur more frequently in California than in Massachusetts?
A:
California is located on the boundary of two crustal plates, but Massachusetts is not.