maybe because they are getting smaller
potato prices in 1968
A potato will decrease in mass if salt (sodium chloride) is applied to it. The salt will absorb water which is contained in the potato.
potato prices in Dubai
Death and migration are factors that can decrease hare population.
there are many reasons a population or organisms would increase or decrease. some reasons are diseases, predator increase/decrease, good/bad weather, and enough/not enough resource's. :) yep
I'm sure video camera prices will continue to decrease over time. The inventions of new, more convenient technologies have made cameras less "needed". Therefore the prices will decrease. :)
The water potential of the potato cells would decrease because as water leaves the cells through osmosis to the drier environment, it causes the concentration of solutes inside the cells to increase, lowering the water potential.
Decrease
Yes, the tightening of credit and a sharp decrease in farm prices touched of the Panic of 1819.
Officially, Mr. Obama will not become president until January 2009. Please see the link below for an interesting article that links decrease in gasoline demand in combination of the decrease in the global economy as the reasons for the decline in gas prices. http://www.iht.com/articles/2008/10/30/business/30gasoline.php
Gold prices have been on the high rise for some years now, and no it does not look like gold prices will decrease in the near future.
Obviously it will decrease your sales if their prices are below yours.