The quote states that we should be using solar energy before our limited amount of naturally occurring oil and coal runs out. Meaning; we should be proactively working towards solar power rather than to wait for our resource to run out to start.
Kingsgrove, New South Wales, Austrailia is the location for the coordinates 34 degrees S, 151 degrees E
Alexander spread Greek technology and ideas through his empire where people talked and visited from all areas to see what had been done.
Answer:
Fields should be bigger to feed more people, but they are smaller because people live on those lands.
Explanation:
A higher population density means that there are more people in an area. As there are more people, there is not enough space for all of them to live in the city, so new cities and towns emerge occupying the field's lands used for cattle raising and agriculture. There should be larger fields to feed all the population, but they become smaller because parts of them are now populated.
This number tells us how many people would live within one square mile if the U.S. population were evenly distributed across its land area.