Reading glasses helps with the Refraction of the light.
When perfume or cologne is sprayed into the air, it turns into a gas and its particles mix with other air particles that quickly move around the room. This is because gas is the least dense of the three states of matter. It moves quickly into any space or volume because it has the least density. This is called diffusion, when molecules or particles move from areas with high concentration to low concentration areas.
A
not every expirement has control
Answer:
Ch4 Is an ion so the molecule yes 5
Explanation:
Sry for bad Engish me polish
Answer: The electron arrangement for gallium is:
Ar 3d10 4s2 4p1
