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9966 [12]
4 years ago
7

A region that includes several interacting ecosystems is called ___

Biology
1 answer:
kherson [118]4 years ago
8 0
Answer: Landscape

Hope this helps :)
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Explain the relationship between three aspects of science: hypothesis, research/experimentation, and theory.
Luda [366]
Hypothesis: It is basically a prediction of what an experiment will do. You are making a scientific guess to what is going to happen. After you make a hypothesis you will perform a experiment to test your hypothesis and to see whether your hypothesis was right or not. If it is then you are good to go (move on to make a data) if not then you have to do the project over again. 

Research/ Experiment: Usually researching and experimenting are different kind of things but experimenting is basically what i said in the Hypothesis area, you are testing to see if your hypothesis is right or wrong. Usually researching means you are finding a source for your project. (Using source is a main thing when creating a project).

Last by not least theory: Theory is different from predictions or hypothesis. A theory is a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained. Example: My theory for the big bang theory is... and you put your theory in it.

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3 years ago
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What are the most common cells that line the surface of the alveoli and are therefore associated with the exchange of gases with
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These cells exist as tight-two celled structure for gas exchange in the lungs

They are moistened , thin layered , and  use diffuse gradient of oxygen and carbon dioxide  to move  gases across their  wall.s

They are well lined with blood capillaries for rapid  absorption of gases into the blood stream,

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How many diffedifferent kinds of bases can be found on dna
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Four different bases can be found on dna
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