plzz answer .....

Asked by kirtichawla94 | 25th Feb, 2010, 06:51: PM

Expert Answer:

(3) sound waves.

Regards,

Team,

TopperLearning.

Answered by  | 25th Feb, 2010, 07:16: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.