Answer:
Samuel Morse and Alfred Vail
Explanation:
<span>Bart's experience is a great illustration of the foot-in-the-door phenomenon. In other words, once Bart allowed himself to become involved in a minor experience of unsavory behavior, it became easier to persuade him to become involved in more serious detrimental behavior.</span>
Answer:
Local: Many local businesses that are on the water during an algae bloom get less traffic at their store and have to deal with the fact that they are losing customers during this time.
State: Many tourists avoid the coast that has the algae bloom because getting in the water poses as a harm to them. Sometimes, if it gets too intense, the state might have to release algae bloom warnings that requires everyone to stay out of the water.
National: Some seafood comes from Florida and algae blooms can kill wildlife off, making it contaminated and unsafe for human consumption. This can hurt seafood sales around the nation.
15. B
16.A or D
17. C
18 C
19 B
20 C
Hope this helps