B organism i think not tea sure
The correct answer is a. Complex
A complex or undefined medium is rich in nutrients, which contain water-soluble extracts of plant or animal tissue, a sugar, (often glucose is added to serve as the main carbon and energy source). The combination of extracts and sugar creates a medium which is rich in minerals and organic nutrients, but the exact composition is unknown.
Answer:
epinephrine
Explanation:
Epinephrine is also called as adrenaline. It is both a neurotransmitter and a hormone. The adrenal glands produce the hormone epinephrine that can also be used as a drug for various important functions.
If Samir were injected with epinephrine, he would experience rapid rush of adrenaline in his body and quick blood and oxygen flow throughout his body which will cause a feeling of arousal.
The correct answer is "antioxidants".
Vitamin E, vitamin C, and beta-carotene act as antioxidants by increasing the turnover of reduced glutathione (by the use of vitamin C) or by acting directly against oxidants (such as free radicals or superoxides and hydrogen peroxide). These free radicals exert oxidative stress in vulnerable tissues such as those in coronary arteries wherein it promotes atherosclerosis and plaque formation and in cancer by promoting multiple DNA mutations. By the action of these vitamins, these diseases may be prevented.
Answer:
OMNIVORES
Explanation:
examples can be human,crow,dog etc.