Answer:
When the sun shines on earth, the sunlight warms up the earth, in the way that sunlight would warm up a greenhouse. At night, when there is no sunlight, the earth cools down, just like a greenhouse. When cooling down, the earth keeps some of the warmth trapped in the atmosphere- just like how a greenhouse would.
Answer:
d.) physical geography
this is the mountains and the rivers and lakes, and the humans did not make these, as they did the economy, population, and politics
Answer:
Since the Sun rises in the east and the Earth moves from west to east, time on the eastern hemisphere is ahead of the Greenwich and that on the western hemisphere is behind it.
Answer: 1. Expansion of their empire 2. Spread of Christianity 3. Increasing their wealth
Explanation: the Spaniards were able to achieve their goals through colonization of North America.