When the moon is in the middle of earth and the sun.
Answer:
There are so many different ways that people communicate nowadays that would not have been possible years ago. The amount of people who have started campains for out Earth, for people in need, and for their interest is crazy and unbelievably. Would never have been possible without social media.
Explanation:
Answer: C) The climate, fertile soil and large river systems in this region are essential for agriculture and industry.
The answer is a seismograph