They rise and fall in a circular motion. :)
2 Their can be 2 in a group. think of you and I l. we would be a group
The answer is true ..........
Explanation:
When there are more than substances mixed together it is difficult to separate a particular substance.We use extraction in order to do that.
Extraction is a process to separate the desired substance when it is mixed with some other substances.
The method used to extract the substance from other substances is called extraction method.