I think a circle graph would be the best choice.
Answer:
Farming
Explanation:
They easily got to use water for drinking, and to also help with their farming.
Answer:
It only records trends in population at fixed locations in the ecosystem.
Explanation:
The point count method is a method used to monitor the populaton of birds in certain places that consists on having someone fixed at one spot and record all the birds that he can spot by sight and by ear, so if he sees or hears a certain bird he records it, to have a close idea of the species of birds that there are in a certain location, the problem would be that it only records trends at fixes locations in the ecosystem.
Painful menstrual flow (cramps) is dysmenorrhea.
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painful - dys
menses - men/o
discharge - -rrhea
