It is a compound made of twenty-four total atoms
If the choices are A.C2H6, B.C2H4, OR C.C2H2 then the answer would be B.C2H4 because each carbon atom bonds with two hydrogen atoms and one double carbon bond.
Answer:
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.
Explanation:
two strands of DNA are held together by weak hydrogen bonds.
The answer is smell. the rest are intensive