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kotegsom [21]
2 years ago
5

Hello I need help very bad!!!

Chemistry
1 answer:
Oksanka [162]2 years ago
6 0

D. Cell membrane: surrounds a cell and allows substances to pass in and out

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What is the full number for 5.7x10^4
dsp73

Answer:

5.7*10^4 is equal to 57,000.

Explanation:

First, we must multiply 10 by its power, 4. That would be 10 4 times.

10*10*10*10 = 10,000.

Then, we multiply it by 5.7.

5.7*10,000 = 57,000.

Regards!

3 0
2 years ago
B. MgF2<br> Name the compound
algol [13]

Answer:

Magnesium Difluoride

Explanation:

Mg = magnesium

F = fluoride

F2 = difluoride (prefix "di" indicates 2)

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3 years ago
What tool do you use to measure mass?
pshichka [43]

Answer: Balance

Explanation:  Mass is the amount of matter contained in a body.

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2 years ago
Transportation is the largest single source of air pollution in the United States. Air pollution can harm the environment and hu
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Answer:

- motors that run on electricity

- tires that improve gas mileage

Explanation:

The transportation is a major polluter of the air. The big problem with it is that it is necessary for the humans to be able to live and function properly, as the trade is happening through it, thus it is crucial for the economy. In order to stop or reduce the negative impact on the air quality, there are some solutions which can help. The motors that can run on electricity are an excellent method, as the production of electricity is not polluting the are as the fossil fuels are. The only problem is that this type of motors are still very expensive, so once their price is on pair with the combustion motors they can be used. Tires that are able to increase the efficiency of the transportation means can also be useful, as they will be able to reduce the amount of pollutants released into the atmosphere, because the transportation will use less fossil fuels for the same mileage.

6 0
2 years ago
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f. . A metal cylinder has a mass of 100.00 g is heated to 95.50 celcius and then put in 245.5 g of water whose initial temperatu
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