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Alinara [238K]
3 years ago
13

Which of the following does not occur within the first four weeks after fertilization?

Health
1 answer:
notka56 [123]3 years ago
7 0
A the spinal cord and central nervous system are developing
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A heavier person will have a lower blood alcohol level due to a greater amount of __________ in their body.
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Blood alcohol content (BAC) is a measure of the amount of alcohol that is present the blood.

A heavier person will have a lower blood alcohol level due to a greater amount of water in their body. The more a person weigh, the more water he/she tends to have in his/her body. The water has a diluting effect on the alcohol so the BAC will be lower in comparison with person who is slimmer  and has less water in the body.

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Plain how smoking damages the respiratory system and name two conditions that can develop when a person smokes.
patriot [66]
The respiratory system can be damaged from smoke inhalation and tar buildup from the chemicals used in tobacco, which can also harm the heart and blood vessels. Two conditions that can be caused from smoking are Heart Disease and Lung Cancer.   
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3 years ago
Which of the following is an advantage of working out at a higher level of intensity?
geniusboy [140]
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8 0
2 years ago
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Salts and sugars work to preserve foods by creating a
netineya [11]

A) Hypertonic environment

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C) Depletion of nutrients

D) Lower osmotic pressure

Answer:

A) Hypertonic environment

Explanation:

A hypertonic environment or solution contains more solute than solvents, that is, the solution in the environment has more dissolved particles, such as salt or sugar. Microorganisms are unlikely to survive in a hypertonic solution as water would be drawn out of the ells of the mircoorganisms, causing their cells to shrink.

Salts and sugars are used in preserving foods as they create a hypertonic environment that is unfavorable to bacteria and fungi that cause food spoilage.

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