Whittaker proposed a new system of classification in the late 1960s. what was different about his system?

a.) it contained five levels instead of seven.
b.) it contained eight levels instead of seven.
c.) it contained five kingdoms instead of two.
d.) it contained seven kingdoms instead of two.
c

C.) It contained five kingdoms instead of two.

c

Explanation:

Because told me

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.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.