Answer:
A. Carotene
Explanation:
It is an orange/red pigment which is seen during the fall.
option 2 seems appropriate for me!
Answer: The hydrogen bonds holding the base pairs together in a DNA molecule are relatively weak compared to other chemical bonds. ... The new nucleotides join together to form the sugar-phosphate backbone of a new strand of DNA. The result is two DNA molecules identical to the original.
Explanation: