I think the most suitable method to remove the fine dust particles suspended in a sample of oil is B. osmosis.
<span>d. by sending and detecting chemical messages</span>
<span>If an animal learns to use a tool in one way and then is presented with a new situation in which it applies the tool, the animal is demonstrating
a. imprinting.
b. operant conditioning.
c. classical conditioning.
d. insight learning.</span>
I dont really understand where someone would get this information. was there a document or article you were supposed to read before this if so that would be very helpful.
