The corona is the Sun's atmosphere. The corona extends far into space and is much hotter than the surface.
It’s A- nucleic acids arranged in a double helix. Hope this helps!
A. Regularly test the water in residents' homes
Explanation:
The best way to have kept the water quality in check would have been to constantly and regularly test the water in residents' homes.
Lead is used in making pipes due to its very unique properties and availability. Over time, lead can enter the water it is carrying in dissolved form.
Increasing amount of lead in the water will eventually become toxic when an anomalous concentration is reached.
The best way to monitor the trend is to simply check the water in residential homes from time to time for dissolved lead.
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Chemistry of lead brainly.com/question/5852049
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C is the answer. The people (wife and husband) studied and realized that their beak was unique
3) a glacier because a river would be a V shape, mud flow would cause the valley to have flat bottom
