59. Which one has 0 dipole moment?
a. H2O2 b. Co2 c. HF
d. HBr

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

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