13. Which of the following statements best describes the characteristics of the terrestrial planets?
A. small, dense, rocky surfaces
B. large, planetary rings, many moons
C. rocky cores, close to the sun, surface craters
D. made up of hydrogen and helium, small, close to the sun

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

How long does it take neptune to orbit the sun?

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows