1) acid
2) ether
3) ester
4) aldehyde
5) ketone
6) amine
7) alcohol
Answer:
Alkane
Alkene
Alkyne
Explanation:
Alkane=1 bond (Saturated hydrocarbon)
Alkene= 2 bonds (Unsaturated hydrocarbon)
Alkyne= triple bonds (Unsaturated hydrocarbon)
Formula of Alkane = CnH2n+2
Formula of Alkene = CnH2n
Formula of Alkyne = CnH2n-2
Amber preserves animals in dried tree sap
I believe that the answer is D.
I hope this helps. :)