Carrera Armamentista de la Naturaleza?

Ejemplos

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.

The largest unit within which gene flow can readily occur is a

As water is cooled from 4 to 0, its density