I believe it is D. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
Answer:
potential energy, kinetic energy
Explanation:
potential energy is the energy held by an object because of its position. kinetic energy is energy in motion. when the bow is being drawn back it has potential energy because of its position and that at any moment it can be converted into kinetic energy.
the answer is A. I took the test and got it right. The question is specifically asking about the THIN filaments, making it actin- and only actin.