Answer:
Oxygen is inhaled so that Dioxide can be exhaled, that is just how breathing functions.
Explanation:
We require this system for our survival.
Supports the bone for movement and produces heat in our body..
Can also be a form of food to carnivores.
The correct answer is <span>the reproduction of new cells </span>
The best answer would probably be observation because a hypothesis and theory is not always reliable. an observation describes what IS happening during the experiment.
I think the correct answer from the choices listed above is option D. Destruction of tundra vegetation will likely result in melting of the permafrost. The tundra ecosystem is extremely sensitive to disturbance with little ability to restore itself. The melting of the permafrost will <span>cause the collapse of ground and loss of soil. </span>