B. Resistance is the tendency for materials to oppose the flow of electric charges.
Will occur spontaneously without the need of an activator because they have a great internal energy
I think the answer is the individuals born per unit time.
CCAGAT , or B.
The reason why is because A only pairs with T, and G only pairs with C. So, if you have a strand with GGTCTA, the only possible pairing for that to replicate is CCAGAT.
A woodcutter could justify cutting trees for use say in a pioneering situation whereby the pioneer needs shelter and food so trees could be necessary to say construct a small log cabin and table for eating/preparing food at to ensure the survival of the pioneer.