B. the last phosphate group has a lot of energy stored in the bond that connects it to the other two phosphates.
EDTA inhibits the activity of DNase during DNA isolation process.
DNase is an enzyme which degrades DNA using divalent metal ions like Mg^{2+} . These metal ions act as cofactor for the proper functioning of DNase.
EDTA chelates the divalent metal ions and thus does not allow DNase to access them.
Therefore in this way DNA is prevented from degradation during its isolation.
Adding a plant would reduce carbon dioxide because a plant takes in carbon dioxide and releases oxygen.
The correct answer is A.
Based on what i know of bats they have echo location to help them navigate were they are going and the echo location helps them to find food.a special feature that they have to help them survive is their hearing do to their lack of eye sight they compensate with unnatural hearing.