This relates because at first the human species are vulnerable to the new disease but as natural selection in human evolution occurs the human species will be able to overcome the disease and become invulnerable.
Answer:
by letting the oil float to the top and skimming it off
Explanation:
The answer to this question would be: limbic system
Limbic system is part of the brain that responsible for emotion. One of this part is the olfactory bulb where the smells are processed. That is why a smell of something might make someone remember some memories that were related to the emotion.
In some organism, smells is important for survivability. Smelling a predator might cause the organism to feel fear and run away from them before they got close.
Carbohydrase:
Breaks down: Starches
Products: Sugars
Protease:
Breaks down: Proteins
Products: Amino Acids
Lipase:
Breaks down: <span>Lipids
</span>Products: <span>Fatty acids and glycerol
</span>
I hope this helps! If it doesn't, please reply. If it does, please do not forget to mark it as the brainliest.