Which freshwater ecosystem is most productive?

a. creek

b. stream

c. swamp

d. bog

The kobe habor wharfs where the center of japanese exports to other countries. it had 200 wharfs before the earthquake. how many wharfs remained undamaged after the earthquake? a. 130 wharfts b. 3 wharfs c. 30 wharfs

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes