The respiratory zone is the site of 02 and CO2 exchange with the blood;
site of gas exchange.
For a hypothesis to be testable means that it is possible to make observations that agree or disagree with it. If a hypothesis cannot be tested by making observations, it is not scientific
Explanation:
Bacteria is an organism that is used to break down chemical wastes in treatment plants. They are used for the processing of waste and for converting trash into less toxic substances. These bacteria are heterotrophic microbes, and they help in decreasing the toxicity of the environment.
Troposphere because it is at the very top. As u delve deeper, you get to the core which is the hottest part of the earth
Answer:
The hawk population will drop while the rabbit population will rise.
Explanation:
With the way the pyramid is structured, it shows that the rabbits eat grass, snakes eat the rabbits, and hawks eat the snakes. If the snakes are gone, the hawks will lose a food source, and their population will drop. Also, the rabbit population will rise, because the snakes eat the rabbits, and if the snakes are gone, they won't have any predators.
