Wind can cause erosion. Identify which of the following choices is an example of a slow change to Earth's surface caused by erosion from wind.

30litre of li2o is 1.0002mole approximately 1 mole

The answer to the question is d

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).