sand paper
abrasive means to smooth out a rough surface
false
Think about it. If the tiles are wet, then you are going to have more grip if it is rough then when it's smooth so you won't slip and break something as easily.
TRUEFriction is the reason more force is needed to push an object across a rough surface.
smooth surface.
abrasive means to smooth out a rough surface
I believe you are referring to EROSION. (Erosion, Eroded, Eroding...) Erosion is when forces like the weather wear away at the Earth's surface gradually.
Flattens.
"Course" refers to a direction or path taken, such as a series of educational classes. "Coarse" means rough or of inferior quality.
A plane is a blade that smooths wood and shaves the surface. This is used a lot with carpenter.
abrase
false
Is this when in idle? Perhaps you need to replace your spark plugs, maybe if it is fuel injected, you may need to clean the fuel system.
The rough endoplasmic reticulum has ribosomes on its surface. This is what make is "rough"
Smooth surface
Think about it. If the tiles are wet, then you are going to have more grip if it is rough then when it's smooth so you won't slip and break something as easily.
Its surface is rough because of all the rock's and crater's in its surface.