How does REFLECTION happen? 2. Why does REFLECTION happen?

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1.How does REFRACTION happen?
2.Why does REFRACTION happen?

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1. How does diffraction happen?
2. Why does Diffraction happen?

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1. How does inference happen?
2. Why does inference happen?

OWN WORDS PLEASE HELP ME ASAP!!

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

In salt water solution,the salt is the blank

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³