Answer:
When respiration occurs without oxygen, lactic acid is produced. Answer is A.
I THINK B NOT SURE BUT I HOPE IT HELPS FROM MY ANSWER GIVE ME BRAINLIST :(?
Be yourself
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Chordates are animals that possess certain characteristics including a notochord. Humans fall into this category along with many vertebrates such as whales, falcons etc; therefore, all of the answers apply.
Food, research, therapy, entertainment affection.
Chromosomes females have xx and males are xy
