I need the answer by 1 pm today. El Nino and La Nina phenomenons may affect weather patterns in many places around the world. This occurs from an event that takes place in:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

climate change and pollution

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.