Blank is thought to be another factor that'll affect climate change a global warming b carbon monoxide c the nitrogen cycle d the coriolis effect

c. nitrogen cycle

Explanation:

The nitrogen is an important component of the global greenhouse effect and is thus considered to be an important constituent that drives the changes of the global warming and is associated with other gases like the methane and carbon monoxide which influence the ocean depths. Being a reactive gas it's usually associated with rising temperatures and the shrinking of the glaciers. It is an important component of t biogeochemical cycle and is hazardous as a consequence of the man-induced changes.

The correct answer should be brand c.

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast.