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*asap* Explain how waves, energy and matter are related.
asked
Feb 23, 2018
Physics
high-school
2
answers
5
votes
230k
views
Describe how succession can help restore the equilibrium of an ecosystem.
asked
Aug 8, 2016
Biology
middle-school
1
answer
3
votes
168k
views
A hopper jumps straight up to a height of 1.3 m. With what velocity did he leave the floor
asked
Dec 7, 2015
Physics
middle-school
2
answers
1
vote
203k
views
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