Classify each of the following as being characteristic of effusion or diffusion. A. The mixing of two or more substances
B. Requires the presence of a small opening
C. Net motion of a substance from an area of high pressure to an area of low pressure
D. The spreading of the smell of perfume throughout a room
E. Rate is inversely proportional to the square root of its molecular weight

Idon't know hope someone you

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.

The name for subatomic particles in an atom is called a proton