Answer:
by repeating the experiment
Explanation:
sometimes repeating the experiment with multiple trials can help make the experiment worth it
Answer:
it's a chemical change
Explanation:
When two different chemical substances are mixed they are no longer the same and can not be changed back so therefore it's a Chemical reaction.
C. fast-moving wind over smooth water hope this helps
bacterial growth
Explanation:
Excessive bacterial growth is one of the example of a natural process that causes water pollution.
Pollution is the undesired concentration or harmful introduction of a particular body into the environment and causes harm overall.
- Pollution can result from both natural and anthropogenic sources.
- Anthropogenic causes of pollution are the most common due to activities of human beings.
- Natural causes of pollution results from the activities of nature in itself.
- From the given options, the bacterial growth is an natural process of pollution.
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Air pollution brainly.com/question/10743354
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I'm pretty sure its the first one
Explanation: