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8090 [49]
3 years ago
7

Read the passage and identify the method being used. Crude oil is a mixture of many liquids that must be separated into pure sub

stances before we can use them. To do so, the entire mixture of liquids is heated in a furnace to 400 degrees Celsius, which is enough to evaporate all of the liquids. Then the mixed vapor is allowed to rise. As the vapor rises, it cools. When it reaches 370 degrees Celsius, fuel oil condenses from the vapor and runs down a channel to be collected as a pure substance. However, the other vapors will continue to rise and cool. Because the different substances in crude oil have different boiling points, each substance can be individually collected in the same way as fuel oil. Where once we had a mixture of liquids, after condensing the various vapors, we have four different pure substances. Which separation method is being used here?
Biology
2 answers:
Anni [7]3 years ago
9 0

Distillation is the type of separation being used

faust18 [17]3 years ago
8 0

Answer:

distillation

Explanation:

I did this on ed

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Answer ASAP 50 points
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Answer/Explanation:

In humans, we breathe in oxygen via the respiratory system. The oxygen enters the lungs. The air sacs in the lungs - the alveoli - are the site of gas exchange in the lungs and are where the circulatory and respiratory systems interact.

The alveoli take in the oxygen, where it diffuses into the capillaries (circulatory system). Blood, which passes through the capillaries takes this oxygen to all the cells in the body. Oxygen binds to haemoglobin in red blood cells, which transport it around the body.

Additionally, blood also transports carbon dioxide back to the alveoli of the lungs, where it diffuses into the lungs and is expelled when we breathe out

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3 years ago
What are two things that all non vascular plants share?
Zepler [3.9K]
<span>They do not have a phloem or xylem.</span>
4 0
3 years ago
Plasma contains more sodium than chloride. How can this be if individual ions of sodium and chloride exactly balance each other
MAXImum [283]

In addition to chloride, there are other negatively charged molecules in plasma. The extra sodium restores the balance of the overall negative charges.

So this is how plasma is electrically neutral.

<h3>The makeup of bodily fluids:</h3>
  • High levels of sodium, chloride, bicarbonate, and protein can be found in the plasma.
  • High levels of salt, chloride, and bicarbonate but a relatively low level of protein can be found in the IF.
  • The ICF, on the other hand, contains higher levels of protein, phosphate, magnesium, and potassium.
<h3>What occurs when the plasma Na+ content rises?</h3>
  • Although the plasma sodium concentration does not provide any information regarding the volume of extracellular fluid, it does allow for an assumption regarding intracellular volume.
  • A rise in plasma sodium (plasma osmolality) causes water to be drawn out of the cell, which causes the intracellular volume to decrease.
<h3>Why does plasma have a higher sodium content than chloride?</h3>
  • In plasma, sodium predominates over chloride.
  • In addition to chloride, there are other negatively charged molecules in plasma.
  • The extra sodium restores the balance of the overall negative charges.

To learn more about plasma charge visit:

brainly.com/question/22196626

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4 0
1 year ago
Natural resources need to be managed responsibly so that they do not run out. Which of the following is one way to manage natura
morpeh [17]

Answer:

A.

using solar power to generate electricity

Explanation:

Actions like driving electric and hybrid vehicles, installing solar panels on and properly insulating your business and home, and using energy-efficient appliances are all smaller-scale changes that you can make to reduce your nonrenewable resource usage.

plz mark me as brainliest :)

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3 years ago
The lungs are made up of thick fibrous tissue. (1 point)<br> a. True<br> b. False
Aleks04 [339]
The answer is B. False
4 0
3 years ago
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