<span>Akhil Share.
Nov 29, 2015.
Origin of earth is about 4.6 billion years ago and origin of life took place 3.7 billion years ago in the ocean in Pre-Cambrian era. The first organism to be originated were the archebacteria ( Prokaryotes )</span><span>Nov 29, 2015</span>
There is 10 kcal energy left in the 3rd trophic level.
I would say 2 but i might be wrong
Answer: i cinque isomeri possibili per l'esano sono n-esano, 2-metil pentano, 3-metil pentano, 2, 3-dimetilbutano e 2, 2-dimetilbutano. - 2-metil pentano è anche chiamato isoesano. - 2, 2-dimetil butano chiamato anche Neoesano.
Explanation:
The letter "A" stands for :
B) Adenine.
Nicotinamide adenine dinucleotide ( NAD ) is a cofactor found in all living cells.
Hope this helps!
Davinia.
