Answer:
You should conduct more research and assume that the text book may have incorrect information!
Explanation:
The Richter scale is used, from 0.1 to 9.0 magnitude. The Richter scale is determined from the logarithm of the amplitude of waves recorded by seismographs.
Answer:
English in the U.S, Hindi in India, Bengali in Bangladesh, and Punjabi in Pakistan are all total different languages. I myself only know 3 Korean, English and Chinese. For example imagine I didn't know English and only Korean and traveled to the USA. It would be really hard to ask for something because I wouldn't know the language! So that is how language acts as a centripetal force.
Explanation:
The Grand Canyon is about 5-6 million years old, or was formed about 5-6 million years ago
If tectonic plates collide it forms convergent plate boundaries. if tectonic plates separate they form divergent plate boundaries
