Answer - The living species comprise more number of hydrogen atoms in comparison to any other atoms, still 65 percent of the usual organism's mass is oxygen. The prime reason for this is that an atom of oxygen comprises sixteen times more mass in comparison to a hydrogen atom. hopes this helps :)
Answer:
activation energy is required for a chemical reaction to take place.
The correct answer is B: Time-consuming process of listing endangered species.
It is an example of a failed attempt to reintroduce clapper rails in California.
The California clapper rail is noted as an endangered species.
Endangered species are plants and animals that are in close danger of being extinct.
