They are the basic components of life or the basic building blocks of life
Answer:
Determination to succeed.
Explanation:
Answer:
A neutral particle made of an electron and hole
Explanation:
Exciton
It is the combination of an electron and a hole ( hole refers to the vacancy of an electron ) . And , as both the electron and the hole have the same charge but the polarity is opposite , the combination will lead to a neutral compound , i.e. , Exciton have no charge and so neutral .
It is free to move in the nonmetallic crystal and since it charge less , it is difficult to detect it directly .
Answer:
80 kg
Explanation:
because the liquid with high boiling point is going to be collected the first
Answer:
0.179kg/m3 hope that helps you out
