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:
Experimental Research.
Explanation:
Experimental research is a research method based on scientific approach. The research helps to understand the cause-and-effect relationshio between the two variables, namely independent and dependent. Independent variable manipulated while dependent variable remains constant.
<u>In the given case, Caterpillar is using the experimental research method. Caterpillar is trying to understand the cause-and-effect relationship between the two variables-- the operators and two types of steering mechanisms, in which dependent variable-- the operators, remains constant, and steering mechanisms is manipulated.</u>
Thus the experimental research method is the correct answer.
Answer: The Aztecs were violent.
Explanation:
Military campaigns accompanied the very rise of the Aztec civilization. Aztec tribal leaders undertook a series of campaigns to strengthen their influence. Many tribes were turned into vassals who paid tribute to them. Aztec religious beliefs led to many violent deaths. They believed that the gods would bring doom if they did not often sacrifice people, and for this purpose, they often used prisoners of war and members of smaller tribal communities.
Throughout history, they have served as a mercenary army to other cities and states, and over time they have become so strong that they have attacked their masters and become absolute rulers. The state's very structure was militaristic and implied constant expansion, which led to a large number of victims. Many conquered peoples had to pay high taxes, and the Aztecs kept proper records of it. All these factors are proof that the Aztecs were a violent civilization.
Answer:A
Explanation:
Given Both works for 10 hours
Arnold produces 6 baskets per hour and Will Produces 4 baskets per hour
so in 10 hours
Arnold produces 
Will produces 
So in same time Arnold Produces more baskets hence his Productivity is more
African Americans still faced discrimination. Many white people did not like the idea of the African Americans being freed. Most of the former slaves, grandfathers and their grandkids, would sit down together to learn how to become literate. However, most white teachers did not want to teacher them. So the African American teachers had to teach A LOT of people.
