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kumpel [21]
3 years ago
14

What is the relationship between the improved microscopes and the discoveries made about cells?

Chemistry
1 answer:
Alchen [17]3 years ago
3 0
Electron microscopes have a greater magnification and resolution therefore allowing scientists to see microscopic cell structures for example ribosomes and therefore scientists understand more about the cell and the structure of the cell. Xx
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8,000 meters into miles (show work)
pickupchik [31]

Answer:

8000 metres is equal to 4.971 miles

equation

8000 (number of meters) divided by 1609.34 ( equivalent of miles in one meter)

is equal to 4.971

7 0
3 years ago
Read 2 more answers
What error, if any, would the calculated density of the solid have if the material had a hollow center?
maria [59]

Answer:

3) The calculated density would be high, because the volume would be incorrectly measured low.

Explanation:

Density is defined as mass per unit volume. It means the density is inversely proportional to the volume.

A solid with a hollow center will have high volume due to air inside the hollow area that will lead to low density.

But the error in the calculation of density is that the "density would be high, because the volume would be incorrectly measured low."

Hence, the correct answer is "3)"

3 0
3 years ago
A container of gas has a volume of 3.5 L and a pressure of 0.8 atm. Assuming the temperature remains constant, what volume of ga
strojnjashka [21]

Answer:

The correct answer is option A.

Explanation:

Initial volume of the gas =V_1=3.5 L

Final volume of the gas = V_2=?

Initial pressure of the gas =P_1=0.8 atm

Final volume of the gas = P_2=0.5 atm

Using Boyle's law:

P_1V_1=P_2V_2

0.8 atm \times 3.5 L=0.5 atm\times V_2

V_2=5.6 L

Hence,the correct answer is option A.

7 0
3 years ago
Read 2 more answers
Which of the following processes does our Sun and other stars in our galaxy use to create energy?
Usimov [2.4K]

Answer:

fusion reaction

The simple answer is that the sun, like all stars, is able to create energy because it is essentially a massive fusion reaction. Scientists believe that this began when a huge cloud of gas and particles (i.e. a nebula) collapsed under the force of its own gravity – which is known as Nebula Theory.

Explanation:

hope this helps

5 0
2 years ago
Mixing salt with water is an example of a _________change. *<br> physical change<br> chemical change
SIZIF [17.4K]

Answer:

physical

Explanation:

no chemical reaction is happening

6 0
3 years ago
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