Which std is sometimes difficult to cure because of drug-resistant strains?

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.

How does friction with the atmosphere affect the speed of an artificial satellite

What’s the student’s scientific question