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Er ging ins Wohnzimmer hinein
Bye and don’t forget I’m proud of you!!<333
The measure of an arc is equal to the measure of an arc's central angle.
So the measure of an arc with a central angle of 90 ° is also 90 °.
This is in the wrong section, but each mineral are different because they are made up of atoms and atoms are different from each other. Their differences come from the variability of atoms.
No atom is alike one another because they have different numbers (protons). Hydrogen is 1, Helium is 2, etc. etc. you get it. Every atom has a different chemical composition, therefore altering a mineral's physical appearance, and other characteristics.
