Cycles In Nature Flashcards

1
Q

What are all materials in the natural world?

A

Recycled

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2
Q

What’s special about energy?

A

It can neither be created nor destroyed (it can only be changed in type), but it can’t be recycled

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3
Q

Why is constant input needed from the Sun?

A

Energy is always eventually lost from the system so a constant input is needed from the Sun.

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