I believe it is Mechanical Energy
Answer:
For the first one is for earthquakes and the second one is “add toothpicks diagonal across the sides”
I do not believe so because it is genetic, just you can't forever change a feature without plastic surgery or an accident, etc.
The correct answer is B, I know this because none of the other answers are even reasonable. For example-
A is wrong because the size of elephant tusk has not changed over time, elephant tusk just grow...
C is wrong because it makes no sense to hunt elephants with no tusk :/
D is completely wrong because tusk have nothing to do with reproduction, those are two completely separate bodily functions.........
