Why is the muscular system an important part of our everyday lives?

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

Blank liquids and gases exert a buoyant force on objects placed in them

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island