B. The warm climate allowed the ancient Greeks to farm all year long.
Explanation:
The warm climate of Greece helped Ancient Greece farm all year long. However, Greece also has a mountainous, rocky terrain, and some areas of the territory are semi-desertic, which meant that the Ancient Greeks could only farm in some areas of Greece.
The Canadian government contracted the Canadian Pacific Railway in 1880. It was constructed over the next 5 years to connect eastern Canada with British Columbia.
Greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
