Answer:
clx its more nicer I like clx hun
can I get brainlest
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.
Smiling .. just makes people happier because smiling is a happy thin so u can start thinking happy and then it makes you happier ?? Idk that’s a guess
The Office Of Federal Student Aid
Answer:
Red blood cell ( RBC)
Explanation:
The antigens expressed on the red blood cell determine an individual's blood group. The main two blood groups are called ABO.
