Which is a physical characteristic of a fish?

feathers
fur
fins
wings

How long do watee vapor last in the atmosphere

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.

This rapid change in species that rarely leaves behind fossil evidence is referred to as