If the board is 2 meters in length, and the girl on the left who is 45 kg is far away 0.8 meters from pivot point what is the mass of the girl on the right

what map. im not blind are i?

the answer will be a) proteins i believe

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.