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jarptica [38.1K]
3 years ago
15

Answer all the following questions by putting a circle around a letter A.B.C or D

Chemistry
1 answer:
Nataly_w [17]3 years ago
3 0

Answer:

C. 21%oxygen

Explanation:

Dry air contains 78.09% nitrogen, 20.95%oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.

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Explain what the kinetic theory of matter states. Which state of matter has the LEAST kinetic energy and which state of matter h
alexandr1967 [171]

Answer: Solid

Solid particles have the least amount of energy, and gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles. A change in phase may occur when the energy of the particles is changed. There are spaces between particles of matter.

Explanation:

3 0
3 years ago
What is the value of youth participating in volunteering​
bearhunter [10]

Answer:

Volunteering helps the teens gain new skills necessary for the job market such as leadership, communication skills, dependability, time management, and decision making.

Explanation:

The Hidden Values of Volunteering

Learn New Skills. One fantastic thing that volunteering can offer you is a new understanding of your own abilities. ...

Test for Your Future. An added side effect of volunteering is that it gives you an opportunity to try out possible careers, majors, and opportunities. ...

Meet New People. ...

Accomplish Something Important.

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3 0
3 years ago
A substance with a high [h ] would likely have which additional characteristics?
Ray Of Light [21]

Answer:

Is [h] really [H]?  What characteristics are mentioned?

Explanation:

A high [H} means high acid concentration.  

6 0
2 years ago
A biological community together with its physical habitat constitutes a(n) ____________ .
lesya [120]

Answer:

Ecosystem

Explanation:

I got the answer from the Mcgrawhill textbooks.

4 0
3 years ago
Examples of energy being used around your class room
SpyIntel [72]
In the average classroom. You have AC and DC energy that flows through the wires and powers your computers, phones, projector (if you have one), the light-bulbs in the ceiling or around the room. Their is potential energy when an object is at rest for example your pencil or desk, There is Kinetic energy when objects are moving for example if you walk around or something is rolling around. You yourself is an example of energy.<span />
8 0
3 years ago
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