Because of the sand below it and the waves cause it move and travel to form into something different and new.. <span />
<span>Well think of this, Where as the use of fossil fuels would be less expensive immediately it will save them much more money down the road to purchase solar panels, due to the fact that fossil fuels must be burned to produce energy thus they must pay for all the coal, oil, petroleum, etc. to be supplied with energy that is non- reusable. Where as solar panels utilize the energy of the sun which is free and reusable, and never needs to be purchased.</span>
I think its called observational learning
(If i get this wrong Im srry)
B? Human population are sometimes concentrated in areas that are lacking resources
