Answer:Hope this helps <3 p.s : I would've done an explanation but there's a lot of questions.
15) B.
16)B.
17)C.
18)C.
19)C.
20)D.
21.) C.
22)C.
23) A.
24)A.
25)D.
26)C.
27)C.
28)A.
29)D.
30)B.
Explanation:
Well, definitly not trump! But the checks and balence system
Progressive Tax Structure
In this system, taxpayers making more money pay higher tax rates than those making less money (your example) .
The US uses this system.
Amino acids, and proteins. Hope this helps! :)
