Metamorphism of pre-existing sedimentary or igneous rocks occurs by heat from nearby magma called an igneous intrusion.
Answer: Option C
<u>Explanation:</u>
Contact metamorphism occurs when the hot igneous rock thrusts into some some other rock which exists previously. Then the pre-existing rock is baked by heat and during this process no additional pressure is added and this leads to the change in the mineral structure of the rock. Contact metamorphism is occurred only with heat and not by adding any additional pressure on the rock.
A brush to clean your teeth
If you’re asking about the Western part of the United States it’s mostly desert.
Answer:
What does the air in the troposphere do as it heats up from the sun? Hot air rises, cold air sinks. This creates convection currents.
Explanation:
