This seems rather vague, the question is most likely referring to parasitic relationships.<span />
Oxygen is going to be the answer
They are compounds made of the same two elements, but each contain different numbers of atoms.
CH4 means "One C, and four H's are in this molecule"
C4H10 means "Four C, and ten H's are in this one."
Answer:
B. Body is erect with the feet parallel and the arms at the sides with the palms facing forward
Answer:
El ADN es el material hereditario de los seres humanos y de casi todo el resto de los organismos. La mayoría del ADN se encuentra en el núcleo cellular (denominado ADN nuclear), pero existe una pequeña cantidad de ADN que se encuentra en las mitocondrias (denominado ADN mitocondrial).
Explanation:
Es lo que se espero y te sirva