What does the term, nuclear waste (from a nuclear facility), refer to?
a) material that still contains radioactive particles and atoms
b) unused chemical energy in fissionable reactants
c) green radioactive slime stored in barrels
d) non-radioactive material left over from the production, assembly, and use of nuclear reactors

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.