18: D, homologous
20: B, DNA
I can’t see 17 or 19!
The answer is A. the estimated number of residents who would have voted for channel 1 is higher for group A than Group B.
Exceptions to a and b are when volcano forms at hot spots in the middle of Continental plates or oceanic plates.
Answer:
Im not 100 percent sure but I think C because a chemical change occurs when the chemical has broken composure so I think its C.