How long does it take for earth to revolve around the sun one time?

a. one year

b. one month

c. one week

d. one day

What are two ways in which waves erode the land?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

In the practice of science, this type of reasoning is used to develop explanations.