Answer:
si este recoje lo que de verdad ayuda al cuerpo y desecha lo que le hace daño
Explanation:
I would say the answer is either A or B, the Law of Consevation of Energy states that,"<span>the total energy of an isolated system remains constant</span>" so this energy isn't destroyed, it's simply useless. When we use energy to run, our energy is released as heat, so I would assume that it is the same for other creatures. Let me know if this helps.
Answer:
In the earths atmosphere or air
Explanation:
Antigen: is a a foreign substance or toxin that causes a immune response.
Antibody: it is a blood protein that is produced in response to an antigen.
White blood cell: also called a leukocyte and is a cell that counteracts against antigens.
Specific: If your're talking about the biology definition then it is, of or pertaining to a species.
Pathogen: a virus or bacteria that can cause a disease.
Erick erickson should be the answer