Which part of the nucleotide contains the element Nitrogen? a. all of the choices contain nitrogen
b. sugar
c. phosphate
d. base

The base, it is called a nitrogen base

Explanation:

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 

burning fossil fouls really decrease the carbon in the atmosphere so b