A student made a model of a closed ecosystem in a bottle like the one shown. Then the student hypothesized that the water cycle will take place in
the model ecosystem.
Which evidence can the student collect to support her hypothesis?
A. She can observe precipitation in her neighborhood every day.
OB. She can observe condensation on the inside of the bottle.
C. She can visually count the number of rocks in the bottle.
D. She can add a new plant to the plastic bottle every day

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.