Look at these questions and answer them. They are made to help you think better. Some of them are impossible to answer but please try: Why is the sky blue?

Why can I sometimes see the moon during the day?

Why do birds fly south in the winter?

How much does the earth weigh?

How far away is the sun?

What is a Black hole?

How do airplanes fly?

How do flies walk on the ceiling?

How are rainbows made?

How are tornados made?

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i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.