Which are abiotic parts of an ecosystem?
birds
water
people
soil
animals
m air
dead organic matter

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal