Answer:
Biogeochemical cycle is one of the several natural cycles, in which conserved matter moves through biotic and abiotic parts of a ecosystem. In biology, conserved matter refers to the finite amount of matter, in the forms of atoms, that present within the earth.
Explanation: It is true that the chemical is one of the natural cycles within earth
Answer:
the last one sorry if i'm wrong
Explanation:
No because if the body never met the pathogen before so the immune system would not have had any reason to make an antibody against it because body makes antibodies against specific pathogen :))
i hope this be helpful
A colorless, sweet, viscous liquid formed as a byproduct in soap manufacture. It is used as an emollient and laxative, and for making explosives and antifreeze.