Which organisms transform nitrogen to a form that is useful to plants?

bacteria
animals
algae
humans

What type of cell is produced after fertilization occurs and the gametes combines ?

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

What type of pollution does household garbage cause