PLZ!! NEED THIS ASAPPP
Which environmental policy must consider the expensive startup costs associated with building machines that harvest energy from clean sources?

reducing air pollution
regulating deforestation
introducing new farming methods
protecting ocean reefs

reducing air pollution

Explanation:

answer; /// the correct )

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg