Answer: Smooth muscle
Explanation:
I got it wrong on usatestprep and when it showed me the answer key, smooth muscle was the correct answer.
Kinetic energy is the answer because it is in motion
After the Big Bang happened, the universe is constantly expanding. The Universe has expanded for around 13.7 billion years. The further a galaxy is, the faster it would move away from Earth. This principle is called the conservation of momentum.