D. Made of ash and pieces of rock rich in silica.
Should be your answer!
The study of health and disease within a geographic context and from a spatial perspective is medical geography.
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Answer:
NUMBER ONE: a) a metal pan b)cover/blanket
Explanation:
a) it retains heat because when its heated, it heats fast, if cooled it cools fast
b) a blanket/cover actually contains heat thats how it gets you warm it traps the heat that enters it and keeps it heated.
True because how else would we survive on Earth?