Elements emit colours when heated because electrons in atoms can have only certain allowed energies.Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light. Every element has a different number of electrons and a different set of energy levels. Thus, each element emits its own set of colours. See, for example, mercury and neon above. Those colours are as distinctive to each element as fingerprints are to people.
Epinephrine during stresses
True because he considered the cosmos to be a body
This is just a mathematics question but factoring is use a lot of times to make numbers smaller and easier to work with that is in the case of GCF 14(x^2 + y^3) you would multiply it out but it is easier to work with
The latest reports indicate that the percentage is aprox. 67%. This rounds up to 70%
The answer is D.
