Explanation:
depends on the nature , environment , weather and water given to trees
D. Calcium cycle
Biogeochemical cycles are not an important part of the Earth system.
Basically structure of DNA is very important in the process of replication.
DNA molecules have antiparallel structure i.e. the two strands of the halix run in opposite directions of one another. Each strand has 5 prime end and 3 prime end. Solving the structure of DNA unlocked the door to understanding many of the function of DNA, such as how it copied and how the information it carries can be used to produce protein.
Your answer would A insects because insects are the only invertebrates that can maintain flight. FOr example Butterflies and Flies Can maintain flight
Hope this has helped :)<span />
Till this day We are always learning more and more so I think this can be helpful for future vaccines of diseases