X: Ozone layer destruction
Y: Mass extinction
Answer:
The sugar molecules in the marshmallow are being changed into carbon. Sugar can be changed into water molecules. When you toast marshmallows, the heat causes a chemical reaction producing water molecules which then evaporate, leaving the carbon behind.
Explanation:
Answer:
I think B and D
Explanation:
A moraine is a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.