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Leviafan [203]
4 years ago
12

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

Biology
2 answers:
Eduardwww [97]4 years ago
7 0
The correct answer is Tar
Masteriza [31]4 years ago
3 0

Answer: TAR

Explanation:

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genetic drift

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A pregnant mouse is exposed to high levels of a chemical. Many of the mice in her litter are deformed, but when they are interbr
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The correct answers are- a) In the deformed mice, somatic cells but not germ cells were mutated and  d) The toxic chemical affects development but is not mutagenic.

Explanation:

Mutation in the somatic cells do not pass in the offsprings and the only mutation in the germ cells can pass to the offspring because offspring are produced by the fertilization between different germ cells. Somatic cell mutation can only cause deformation in individuals but their offspring will be like normal offsprings.

The other cause may be that the toxic chemical used don't cause any mutation but just affect the development of mice so in this case genetic material will remain in normal state in deformed mouse and they will able to produce normal offsprings. So the right answer is a and d.

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The character having curly hair is dominant and straight hair is recessive ,why?​
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Because one parent contributed a C and the other contributed an s, the child will have both genes and their hair will be wavy. (Although curly hair is technically dominant, hair type is an example of incomplete dominance, so the curly hair doesn't cancel out the straight hair entirely.

Explanation: that what i know

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3 years ago
Identify a situation in which friction works against you.
kotykmax [81]

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Friction tends to oppose any relative motion between objects, acting at the surfaces in contact. If there is relative motion, the frictional force is the kinetic force of friction. If there is no relative motion, the frictional force is the static force of friction.

Explanation:

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Help Me With This Question
4vir4ik [10]
1)left bronchus
2)pleura
3)trachea (starting)
4) cartilaginous rings
5)alveoli
6)atrium
7) diaphragm

Cartilaginous rings help in supporting the trachea from collapsing !!
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3 years ago
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