The answer is A. antioxidants. Antioxidants is the defense
system of the body, it is also the involved prevention of the damage of the
cell; examples are aging, common reason of cancer and also different kinds of diseases.
There’s always a need to have antioxidants because our body needs protection
for the damage by the oxidation may cause.
Decaying organisms help with the soil that grass grows on.
The innate responses that animals have in their system is called as reflex. This can be practiced to perfection depending on your preferred style - whether you want it for defense mechanisms, or even on activities that usually uses the mind. All living creatures have this mechanism. The answer should be B.
