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Tanya [424]
3 years ago
9

C - chemical change P- physical change (Pls help me)

Chemistry
1 answer:
Luden [163]3 years ago
4 0

Answer:

Burning wood is a chemical change.  Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapour, and ash.

Baking an apple pie is a physical change because the apples in the pie start changing physically and the pie crust starts hardening and rising up.

Explanation:

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Anni [7]

Answer:

D because excited electrons fall back.....

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3 years ago
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Which of the following are functions of the ears?
Advocard [28]

The functions of the ears are:

I. Hearing by collecting and processing sound waves

II. Keeping our balance when we turn or bend over; option A

<h3>What is the function of the ear?</h3>

The ear is one of the five sense organs in the body.

The sense organs are the organs which receive external stimulus and send it to the brain for processing and response.

The other sense organs are:

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  • the nose
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The functions of the ear are for hearing and for balance.

In conclusion, the sense organs function to receive stimulus and send them to the brain.

Learn more about the functions of the ear at: brainly.com/question/924275

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3 0
2 years ago
describe the contributions of hans christian oersted to our inderstanding of magnetism and electricity
Marina CMI [18]
He made a new approach when he discovered magnetism and electricity.
7 0
4 years ago
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1 mole = 1000 millimoles (mmol); 1millimole = 1000 micromoles (µmol). if a solution contains 38231 µmol, what is that amount in
Mrrafil [7]
1 mmol --------------------- 1000 <span>µmol
( mmol ) -------------------- </span> 38231 µmol

mmol =  38231*1 / 1000

mmol = 38231/ 1000

=>  38.231 mmol
3 0
3 years ago
What molecules do not attract each other
ExtremeBDS [4]

Answer:

Non-polar and non-polar molecules do not attract each other.

Explanation:

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