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statuscvo [17]
3 years ago
8

I need help with these 2 questions below:

Chemistry
1 answer:
uysha [10]3 years ago
7 0
8 idk. ......but.... 9 it leaves evidence and a mess
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Moving molecules make things? heat up or cool down
Ksenya-84 [330]

Answer:

Heat up.

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The faster molecules move the warmer an object becomes.

For example boiling water, when you boil water the water molecules will be moving extremely fast.

The slower molecules move, the colder an object is. For example an ice cube. All the molecules are only vibrating.

Hope this helps:)

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3 years ago
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Why is it important to clean and care for cuts on your skin
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If one does not do so, the cut can lead to being infected with various pathogens and other Bacteria, possibly worsening the Minor injury. Thus taking additional medication and further required time to heal.
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4 years ago
In your second paragraph, describe properties of sound waves. Then make a claim about how loud an explosion in space should be.
morpeh [17]

Answer:

Here are five important characteristics: wavelength, amplitude, frequency, time period, and velocity. The wavelength of a sound wave can tell the distance that wave travels before it repeats itself. The wavelength itself is a longitudinal wave that show compression and rarefactions of sound waves.

Explanation:

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8 0
3 years ago
!!20 Points!!
elena-14-01-66 [18.8K]

Answer:Tungsten changes oxidation numbers +6 to zero

Undergoes reduction

Explanation:

did it!

4 0
3 years ago
Which of the following is an inexhaustible energy resource?
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