Open dumping in landfills was outlawed in many states because of?
methane explosion
foul odor
their unsightliness
groundwater pollution

What is a codon and where is it found

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?