It showed that direct rewards and punishments are not necessary for learning. its called modeling.
The answer is letter A. The Clear Air Act would be a reason for the Environmental Protection Agency or EPA to regulate car emissions. EPA sets the emission standards under the said rule or regulation and this also covers the green house gas emissions.
"Change form"
-The transition of one rock into another by temperatures and/or pressures unlike those in which it formed.
Answer:
Narrowly it is Trinia (over Cassie). She is planning to spend money which will go to a seller.
Explanation:
Quick answer Trinia.
Isi isn't paying anyone to teach him to play golf. We presume he has golf clubs.
Cassie is probably the second best answer. She will need to get her pictures developed which will mean the exchange of money
Abe is doing nothing that is useful to society in terms of money.
The answer for this would be John F. Kennedy. He was the president during the Cuban missile crisis
