As you go farther up into Earth's atmosphere, there is less are and less pressure!
During contraction, the filaments slide past he thick filaments, shortening the sarcomere. The thick and thin filaments do the actual work of a muscle, and the way they do this is pretty cool. Thick filaments are made of a protein called myosin. At the molecular level, a thick filament is a shaft of myosin molecules arranged in a cylinder. Thin filaments are made of another protein called actin. The thin filaments look like two strands of pearls twisted around each other.
All of the above is the correct answer
Answer:
Turn off the lights of any room you're not in
Use energy saving bulbs
Explanation:
