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irga5000 [103]
3 years ago
10

Burning coal produces which type of gas?

Chemistry
2 answers:
AnnyKZ [126]3 years ago
7 0

Answer:

Its Carbon dioxide.

Explanation:

hope it helps !

mark me brainliest :))

vovikov84 [41]3 years ago
5 0

Answer:

carbon dioxide

Explanation:

carbon dioxide is the primary greenhouse gas produced by burning fossil fuels like coal and oil

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Answer:increasing the concentration of reactants

Explanation:

Collision is the phenomenon in which the reactant molecules come to nearest closness,as a result the reactants are converted into products.

Now the number of effective collision is directly proportional to the number of reactants added..

6 0
3 years ago
you are studying an animal that produces only one offspring every three or four years. Is it likely to use external or internal
Igoryamba

Answer:

internal fertilization

Explanation:

Internal fertilization enhances the fertilization of eggs by a specific male. Fewer offspring are produced through this method, but their survival rate is higher than that for external fertilization.

6 0
3 years ago
PLEASE HELP
eduard

Answer:

The correct answer is A) circulatory

Explanation:

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The kidneys are responsible for the elimination of waste, acids and excess fluid from the body, maintaining the balance of water, salts and minerals. Blood flows into the kidney through the renal artery.

4 0
3 years ago
What must happen to uranium before it can be used as a fuel source?
Otrada [13]

Answer:

Uranium must be purified before it is used as a fuel source

Explanation:

The purer the uranium sample, the more the concentration of uranium in the fuel is.

Whenever uranium is extracted from nature, it contains a lot of impurities. Only a few special nuclear reactors can utilize uranium in this raw state. most of the others have to get uranium to become about 3% pure before they begin using it.

To do this, uranium has to be passed through a series of chemical reactions all with the aim of extracting the other compounds that may be present in the fuel.

5 0
3 years ago
Mass=4grams Density=2g/ml
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Answer:

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