Respiration is a process of exchanging gas.
How would removing your umbrella in a rainstorm affect your ability to stay dry? The definition of a keystone species is a species that has a crucial role in an ecosystem. Removing one gear from a clock would stop the clock from working. Removing/changing a major contributer to a balance and natural ecosystem can potentially collapse the entire system altogether.
Animals need other organisms to survive and plants only need sunlight and water
Answer:
6) Inertia is 1 Law
7) Acceleration is 2 Law
8) Should be acceleration too, 2 Law