Answer:
D
to illustrate that science can help stop illness
and diseases
The first 1 and the least one! :)
Because the US was afraid, they gave very little power to the central government.
Demography is the statistical study of populations, especially human beings.
The answer is: c. his mother gave him his allowance for doing his chores
Secondary reinforcement refers to something that could influence other people to do a certain behavior that come from other thing beside their own will.
When a mother gives allowance for his chores, it could make the children much more likely to do the chores. But the increase in likelihood does not come from the children's will, but from the children's intent to get the money,.
Answer:
Democracy allows us to correct our own mistake. as in this the main power is with the citizens so if they make a wrong choice in choosing the representative then it can be changed. they can vote others and the mistake would be corrected.