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TEA [102]
2 years ago
7

Which of the following is a primary source?

Chemistry
2 answers:
bulgar [2K]2 years ago
6 0

Answer:

I think its C a scientific journal article

Explanation:

Any kind of journal is considered a primary source because  journals contain info that the original author wrote. Encyclopedias are considered teritary sources, but im not sure if that counts ...so id go with journals.

7nadin3 [17]2 years ago
4 0
A scientific journal artical
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A student mixes sugar and water until the sugar dissolves. This an example of a<br> HELP PLS !!
murzikaleks [220]

Answer:

The sugar water mix is a mixture.

6 0
2 years ago
Identify each substance as an acid or a base.
svp [43]

Explanation:

<u>The first one is a base</u>

<u>The second one is an acid</u>

A base has a pH above 7

An acid has a pH below 7

Hope I helped!!! Have a great day!

4 0
3 years ago
Read 2 more answers
One atom of an element possesses 80 protons, 80 electrons, and 121 neutrons. Given this information, what is the atomic mass of
IRINA_888 [86]

Answer:

I think the answer is 4) 41

Explanation:

APE= atomic number, proton and the electrons are the same number

MAN= mass = atomic number - neutrons

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i haven't done this in a while so hope this helps :)

3 0
2 years ago
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Valentin [98]
Theyre the big bunched up group in the middle of the periodic table
8 0
3 years ago
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Passive prostheses are:
Len [333]

Passive prostheses are self-regulating, as shown in the first answer option.

We can arrive at this answer because:

  • Passive prostheses are devices used to replace parts of the body that were lost by an incident.
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This limitation allows passive prostheses not to need external regulation and to be self-regulated by fitting the body parts.

You can find more information about articulations and their effects on the link:

brainly.com/question/5847359?referrer=searchResults

5 0
2 years ago
Read 2 more answers
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