What human activity would have the most significant effect on the temperature of the earth? a) deforestation b) producing smog c) producing cfcs d) burning fossil fuels

the most logical answer would be a

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

japan is the correct anwser because i already took the test and i passed it