C because it makes the most sense
Answer:
She should stay behind and revise after she must have a good rest
Answer:
B
Explanation:
Altruism is beneficial at group level. A group having lot of altruists has greater chances of survival than a groups with fewer or no altruists.
Answer: Human waste in water systems, disease, deadly parasites :)
Explanation:
This is an example of climate, because this is the general weather of Hawaii, not something unique to one day. This shows a trend, which is why it is climate.
Hope that answered your question.
