2 years ago

How does pollution affect air resources?

Chemistry

1 answer:

tatiyna2 years ago

7 0

Answer: it gets inside the air and then it infects the air's resourses

Explanation:

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The moon makes light the same way that the sun does.True or False

lesya [120]

Answer: false

Explanation:

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2 years ago

In fossil comparisons, it helps to know about similar:

omeli [17]

Answer:

Fossils tell us when organisms lived, as well as provide evidence for the Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils, by comparing the anatomies of both modern and extinct species, allows scientists to study the skin, hair, and organs of ancient creatures.

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2 years ago

Using words, explain all steps of dimensional analysis when converting 6.7 hectometers to meters. You must explain the set up of

sleet_krkn [62]

Answer:

See below

Explanation:

In order to convert 6.7 hectometers to meters using dimensional analysis, you must use the ratio of hectometers to meters.

There are 100 meters in one hectometer, then you start setting the equality: 100 m = 1 hm.

Dividing both sides by 1 hm you get the fraction form of the ratio, with meters (m) in the numerator and hectometers (hm) in the denominator.

$1m/100hm$

Since hm is in the numerator, when you multiply 6.7 hm by the unit ratio the hm will be canceled and the result will have only m:

$6.7hm\times 1m/100hm=0.067m$

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3 years ago

The number of moles of hydrogen that are needed to produce .253 moles of water

Brut [27]

Answer:

454

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2 years ago

Make a good chain with arrows include these organisms white shark,bacteria,kelp,sun,sea urchin,otter

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Sun to kelp

kelp to sea urchin

sea urchin to otter

otter to shark

kelp,sea urchin,otter,shark to bacteria

bacteria back to kelp

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2 years ago