Hey :)
Scientists think that geographic isolation<span> is a common way for the process of </span>speciation<span> to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations</span>
B. Urban pollution and forest loss
Well the volume is the depth times the width and legth while the surface area is base times depth so its not as much
The first agricultural revolution occurred in the region of the Middle East known as the fertile crescent. This revolution marked the Era when humans moved from a hunter gatherer lifestyle to a more permanent one. This revolution led to the origin of the first civilizations as the newly found agriculture presented a way for people to produce their own food and to have an excess for trading.