A massive topic for this could be oil. You could talk about OPEC and the different types of technologies involved
Answer:
They grew crops that didn't need much water and some framers used windmills to get water from underground.
Explanation:
Hello!
We are able to see the moon because the sun shines light onto it. Depending on the location of the moon around the Earth, we can see more or less of it at different times. When the moon is directly across from the sun, we can see a full moon. When the sun is behind the moon, no light is reflecting onto it. This results in a new moon.
I hope this helps you!
-Mal
Option (C) castes is the correct answer.