Answer:
there is nothing biologically different aboout ra, but white people looked so ard for it that their science was biased
Explanation:
When everyone says yes for the bill atleast 3/5
The floods could wash away all of their crops
He was looking for India, and he had thought he reached the rich country of India when he landed in the americas, Hence why native americans are called "indians"
This is an example of negative reinforcement.
Her mother scolded her every time Jane bit her nails - so Jane learned that every time she bites her nails, she is going to be scolded sternly by her mother. In order to avoid that, she stopped biting her nails, and thus the reinforcement was successful.
