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Leviafan [203]
3 years ago
12

Which substance is not absorbed by the body when using snuff?

Biology
2 answers:
Eduardwww [97]3 years ago
7 0
The correct answer is Tar
Masteriza [31]3 years ago
3 0

Answer: TAR

Explanation:

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Nitrogen dioxide is a gas that can be generated by emissions from vehicles and factories. It can also be generated by natural so
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Answer:

D. A brown gas produced

Explanation:

When a chemical reaction occur, there are several changes that takes place such as change in color, odor change, formation of a gas, and formation of a precipitate etcetera.

In the given chemical reaction, two colorless gas (NO and O2) react together and form brown gas (NO2). So, the change of gas from colorless to brown gas is the evidence that shows chemical reaction occurred.

Hence, the correct option is "D. A brown gas produced".

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3 years ago
Select the following that are examples of technology in science. Check all that apply.
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We need to see our answer choices to check all that apply.
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A population is at the carrying capacity for its environment. What would happen if the carrying capacity suddenly decreased? A.T
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<span>D.The population would decrease.</span>
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Mammalian erythrocyte lacks nucleus. Why? Give reason. ​
faust18 [17]

Explanation:

Complete answer:

A mature erythrocyte lacks nucleus and mitochondria so as to make a place for the accommodation of more hemoglobin and hence more oxygen molecules. Lack of such organelles also provides the peculiar biconcave appearance of RBCs that aids in efficient diffusion. Young mammalian RBCs are nucleated.

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3 years ago
A chromosomal segment that breaks off and attaches to another chromosome is what type of mutation?.
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