I believe it is atom, then tree seedlings, then a cat, then a fence panel, then a pecan tree and lastly the house
A control group is important to a controlled experiment because it is used in an experiment to establish its validity.
The answer is length.
A gel electrophoresis is used for separation of DNA or its fragments on the basis of differences in their length. An electric current is running through the gel with positive pole on the bottom. Because of the difference in the lengths of DNA fragments, some <span>of them </span>will travel more quickly than other. It is expected to see smaller DNA fragments at the bottom of the gel and larger DNA fragments near to the top of the gel.
D. helps prevent flooding
E. helps to filter contaminants out of the water
Explanation:
Biodiversity refers to the variety of life forms in a particular area. It suggests that different forms of plants and animals can be found in particular place at any point in time.
The tropical rain forest regions of the world are known to be the most biodiverse .
- Biodiversity does not help to prevent flooding. Flooding is the inundation of water in a particular area. There is no correlation between flooding and biodiversity.
- It is not biodiversity that helps to filter contaminants out of water. Special sands such as diatomite are used for this purpose.
Learn more:
Biodiversity brainly.com/question/10723602
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