Which statement is correct about wind turbines?
a/ they create mechanical and electrical energy.
b/ they transform wind energy to electrical energy.
c/ their total energy decreases when electricity is produced.
d/ their total energy increases when electricity is produced.

explanation:

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.

bc blah

explanation:

bc blah