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kogti [31]
4 years ago
13

Glass or concrete has the better sound reflector?​

Chemistry
1 answer:
puteri [66]4 years ago
3 0

Answer:

Glass

Explanation:  it has its atoms tightly bonded with each other

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Answer: By using electrolysis.

Explanation:

Electrolysis is a chemical change produced by sending an electric current through a compound. Electrolysis works because the hydrogen and oxygen ions are held together by an electric attraction.

5 0
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What is the process of breaking down food so that it can be used by living things??​
Darya [45]

I think the answer you're looking for is digestion.

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Jobisdone [24]

Answer: Burning changes the chemical make up of an object.

Explanation:

A chemical change can be defined as a change in the substance when it combines with other kind of substance to form a new substance. A chemical change can also occur when a substance is broken down into two or more products. These changes cannot be reversed. These changes affect the physical make up of an object. For example, burning as when an object is burned it cannot be transformed into its original form. A wood if burned can be converted into ash, water and carbon dioxide cannot regain its original form after burning so burning brings about chemical change in an object.

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In Balancing Equations, why do I put a 3 before reactant H?
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