One hundred years ago, the united states took in immigrants and asked them to assimilate their diverse cultural heritages into the american cauldron dubbed the "melting pot." today, which factors of technology allow immigrants to be more of a "salad bowl"—able to retain their strong cultural ties to their countries of origin without completely surrendering them to prevalent american culture?

a community that experiences major changes undergoes progress

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

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.