What process allows nitrogen to enter the atmosphere?

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Which food could be transported in a galvanized metal container?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?