What is the first stage of the nuclear fuel cycle?
a.) fuel production
b.) uranium mining
c.) reprocessing
d.) disposal

rocks and weathering-matching

c is the answer : )               your welcome

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 

the missing space is phylum