This landform is the result of water and wind erosion what do we call this landform?

a) a delta

b) a valley

c) a canyon

d) a mountain

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

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.