1. A filter was used to separate the sand from the salt water solution (The process of decanting was used if a filer was not available).
2. A Bunsen burner was used to boil away the water from the salt water solution leaving only salt.
I hope this helps. Let me know if anything is unclear.
There are 50 neutrons in and atom of tin.
A & C.
much debated nuclear power plants uses nuclear fission power stations, with uranium-235 as the source if fission. It is "non-renewable" according to the Energy Information Administration.
burning wood is also a non-renewable energy source
A. Mutualism
Mutualism: Both organism benefit
Commensalism: One organism benefits. One organism is unaffected
Parasitism: One organism benefits. One organism is harmed
