VOLCANIC ASH :) oops sorry for caps. Hope this helps
Answer:
What u want me to do?
Explanation:
Please mark me as brainlies so that I can get to the next rank I just need one more!
I'd say by rounding and similar techniques the answer is 468, though it doesn't say all the needed numbers.
A comics even though these are old but there is some that are still being made today it gives you a visual and reading about what who where and why is happening.