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ludmilkaskok [199]
2 years ago
6

Hurry I need the answer asap

Chemistry
1 answer:
olga nikolaevna [1]2 years ago
4 0

Answer:

Heat or electricity in the atmasphere

Explanation:

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The nucleus contains positively charged ___ and neutral ___ and makes up more than 99% of the mass of an atom.
Mashcka [7]

Answer:

ions

Explanation:

atoms because of the charge

5 0
3 years ago
The area surrounding the Pacific Ocean is often referred to as the ring of Firee due to the concentration of geologic events. De
viva [34]

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The amount of movement of tectonic plates in the area

Explanation:

The population density vary across the countries

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If the DISTANCE traveled for the PURPLE line is 3.5m and it traveled for 1.75 seconds, what was it's speed?
julia-pushkina [17]

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distance/time

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2 years ago
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Carbon forms a great variety of stable compounds. Which of the following is not a reason for this variety?
katen-ka-za [31]

Answer:

D.

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Carbon atoms are not strongly electronegative  and  tend to form  covalent bonds.

4 0
2 years ago
When atmospheric pressure decreases, the mercury height in a barometer
Free_Kalibri [48]

Answer:

Decreases

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The atmospheric pressure on the surface of the mercury pushes it up the evacuated tube until the downward pressure of the mercury equals the atmospheric pressure.

If the atmospheric pressure decreases, the mercury doesn't have to rise as high.

The mercury height decreases.

6 0
3 years ago
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