Answer:
frequency of light = 
Explanation:
we know that relation between frequency and wavelength of light is
frequency × wavelength = speed of light.
therefore frequency = 
= 
=
Chemistry is the study of substances—that is, elements and compounds.
Answer:
When Sedimentary rocks are buried deep beneath the Earth's surface, great pressure and tremendous heat change these rocks into new rocks containing different minerals. These are Metamorphic rocks.
Explanation:
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Answer:
Metals consist of giant structures of atoms arranged in a regular pattern. The electrons from the outer shells of the metal atoms are delocalised , and are free to move through the whole structure. This sharing of delocalised electrons results in strong metallic bonding .
Explanation:
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Answer:Adina removed the sand, employing a shovel, however she be laborious and therefore the stream will carry off the silt and therefore the sand.
She does not have to be compelled to do something, however to attend.
You fill the metal pot with ocean water and boil the water, the water can turn out to be steam and can move upwards, there you would like to dam the steam victimization the long metal plate, so the steam condenses into pure water droplets.
The metal plate must be inclined so the droplets flow downwardly and at last falls into a clean pot.
Finally you get the water within the clean pot.
Explanation:
Another and short answer:
she can remove the sand , using a shovel , but that will be hard. eventually the stream will carry off the silt and the sand . thus she doesn't have to do anything , but to wait .
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