A farmer has an infestation of aphids and greenflies. He introduces ladybugs, which prey on aphids, and uses a limited dose of a pesticide to deal with the
flies. The farmer's approach to insect pests is
norte
var
a. chemical control.
b. biological control.
c. integrated pest management.
d. organic pest management.

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

not completely sure but i think it’s many moons, smaller in size and a ring system.

d is the logical answer but im not a 100% sure