Why was it important to establish the clean air act

Drug abuse will not lead to physical and psychological dependence. true or false ?

How do you lengthen a pattern piece? (family and consumer science, sewing)

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.