In the formal language of economics, X and Y are substitutes if the demand for X increases when the price of Y increases, or a positive cross elasticity of demand.
Potting mix is the material that goes into a garden pot before you put seeds and plants into it. 1  It keeps the plant in place. 2  It holds water for the plantâs roots to soak up.  It contains nutrients that feed the plant.
Is this Hempz lotion/shampoo stuff really made from cannabis hemp? I notice they put a picture of a pot leaf on the bottle. haha But I thought industrial hemp was illegal in the US? I know there are other types of strong plants referred to as hemp, is this whats it's made from?