. When you filter the water you see dirt in the filter to clean the water, or you see nothing because the water looks clear, it can either be really tiny particles that are too small to be seen or it is actually clear water.
Another word for mechanical mixtures is heterogeneous mixtures
No; water in a fish tank is not a mechanical mixture. It is a homogeneous mixture. Mechanical mixtures are heterogeneous mixtures.
By a filter.
An example is a salad.
yes
Yes, colloids scatter light. Colloids are mechanical mixtures; all mechanical mixtures scatter light. Solutions are the only mixtures that do not scatter light. The scattering of light by mixtures is known as the Tyndall effect, btw.
They Both Are Mixtures.
colloids
Yes; specifically a mechanical mixture.
sand
Lost of oil pressure and sever engine damage
The filter make the separation of the insoluble coffee grounds.