Answer:
it's definitely a oxidation reaction because here the oxygen contained OH group present in yeild
It can be used to kill fungus, bacteria, and other microorganisms.
Answer:
it allows us to determine what substances will float and what substances will sink when placed in a liquid.
A star’s spectrum will change over time due to it being dependent on some properties in the photosphere such as :
<h3>What is a Star?</h3>
This refers to an astronomical object composed of hydrogen and helium and held together by gravity. As stars age or get older, changes occur but are very slow.
This is why most stars spend their lifetime in the main sequence but does't invalidate that they won't remain constant as their constituents also become used up with time.
This is therefore the reason why star’s spectrum will change over time as the most appropriate choice.
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