Q: The burning of fossil fuels has increased the carbon dioxide content of the atmosphere. What is a possible effect that the increased amount of carbon dioxide is likely to have on our planet?
A: A warmer climate

Q: Which unit is used to indicate the amount of energy in food?
A: calorie

Q: The male insects in a population are treated to prevent sperm production. Would this reduce this insect population?
A: Yes, because it would sharply decrease the reproduction rate.

Q: Which two processes could result in the formation of high mountains with well-rounded peaks?
A:
collision of crustal plates and erosion