A - Read below
Diffusion is simply particles spreading around. Think of it like spraying perfume in a room. Where the person sprayed the perfume would be a high concentration as there is a lot of that perfume there. However, on the other side of the room there would be little to no perfume. So the perfume spreads around until it is evenly distributed in the room.
The answer is A. may reveal greater unknown complexities, computer models only show what we put it into it and what we mostly know.
This bone can be found over the HUMERUS.
The funny bone of the elbow is the ulnar nerve. The nerve runs from the neck to the hand where it is connected with several muscles in the hand and in the forearm. The ulnar nerve is protected by bones, muscles and ligaments.
B. the inner core has a higher temp than the outer core and the pressure is greater for the inner core witch makes it a solid. I'm not the smartest bean out there but I hoped this helped
Answer:
A physical change effects a substance physically. Examples include cutting, bending, dissolving, freezing, boiling, and melting.
A chemical change effects a substance chemically. Examples include burning, rusting, and digesting.
Hope this helps.