I believe the answer is C) sand, gravel, and silt particles
The layer is Asthenosphere. :)
There are numerous ways, from using machinery like special barometers to see the changes in the air, to using aircraft for reconnaissance. They also use satellites to monitor how air flows are changing. They inform the public by working with institutions like fire brigades or police departments or similar institutions to spread the news to people.
Political system or federalism! Depending on how the question should be answered! Sorry if I’m wrong
Answer: Things to note are the physical and chemical reaction of the substances.
Explanation:
