The primary obstacle to population growth in the area known as the "canadian shield" is that a) the area is not capable of intensive agricultural output. b) the climate cannot support adequate human activity. c) the area is rich in mineral resources. d) it lies mostly in an arctic zone.

Which is a result of the emission from the use of fossil fuel

The middle east links which two continents? ●asia and europe●europ and africa●africa and asia●africa and australia

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.