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Bumek [7]
2 years ago
5

Brass gets discoloured in air because of the presence of which of the following gases in air?

Biology
2 answers:
Sergeu [11.5K]2 years ago
7 0

Answer: Hydrogen sulphide

It is because the presence of mixture of hydrogen and sulphide and brass is a type of thing which has a color very light and mixture is non temperature (hot and cold type of temperature) so it gets discolored.

kirza4 [7]2 years ago
7 0
B. Hydrogen sulphide
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Answer:

Skeletal system provide strength and protection to heart and also produces essential blood cells such as RBC and WBC

Explanation:

All organ systems in our body work in co-ordination with each other. Skeletal system comprised of bones and cartilages while cardiovascular system comprises of hearts, blood and blood vessels. Firstly the skeletal system protects the heart and also assists in its pumping along with muscle. Secondly, the blood cells such as RBC and WBC are circulated by the blood throughout the body. However these cells are produced in the bone marrow (inside the bones)  

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A healthy way to gain weight would be to simply add more calories to your diet. Group of answer choices
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<u>Answer</u>:

A healthy way to gain weight would be to simply add more calories to your diet is a <u>TRUE</u> statement.

<u>Explanation</u>:

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The best way to gain weight is to "add more calories" to one's diet while also keeping in mind the number of calories being burnt daily. The newly added calories should sum up greater than the total calories burnt regularly.

Hence, the statement about adding calories in the diet to gain weight is true.

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3 years ago
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Explanation:

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