Which branch of government has the power to pardon people found guilty of federal crimes?

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.

24. how are vaccines used to keep people healthy?

What does the number 18.9984 represent in the image?