FInd KL in the picture below

How would i answer this for an exam?

Solve for r in the formula v = ir, when i = 5 and v = 15.

Choose the false statement. a. some organisms fossilize when frozen or dried out. b. bacteria can destroy dead plants and animals. c. it is common for a plant or animal to fossilize when it dies. d. rapid burial under small-sized sediment increases the chance for fossilization to occur.