Percent. New, clean technologies have enabled people to reduce air pollution by
a. 2%
C. 34%
b. 10%
d. 50%

d.) greenhouse gases

sediment layers stop spreading when they reach a barrier or they run out of sedimentary material. lateral spreading is the movement of gently to steeply sloping, saturated soil deposits caused by earthquake-induced liquefaction. i hope this . : )