which statement best explains why herbivorous organisms are more energetically efficient than those that consume meat?

the first one is d and the second a

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’

answer; the region experienced a surplus of food;