Cycles In Nature Flashcards
1
Q
What are all materials in the natural world?
A
Recycled
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
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.