The answer is A, and this is true because trauma can not be transmitted or caught by humans or animals but a virus , faulty nutrition & congenital defects can. hope this helps :)
Answer:
Isotonic contractions maintain constant tension in the muscle as the muscle changes length. This can occur only when a muscle's maximal force of contraction exceeds the total load on the muscle. Isotonic muscle contractions can be either concentric (muscle shortens) or eccentric (muscle lengthens).
Cells that are mainly (alive) and that have more then 1 cell
PROKARYOTES ARE SINGLE CELLED ORGANISMS
The chemical reaction for photosynthesis is simply the chemical reaction for cellular respiration, however, the reaction for cellular respiration is flipped!
