Laboratory Aparatus You are going to state your own problem, procedure, data and results and conclusions

What element breaks down into yttrium-90?

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?

How is the use of hydroelectric power related to the sun