what is the depth difference between oceans and lakes

A lake is surrounded by land. For instance, Lake Victoria in Africa.

An ocean is HUGE. There is really only one ocean, but we call it different names in different places. Atlantic Ocean, Pacific Ocean, Indian Ocean, Arctic Ocean...

The links show pictures of oceans and lakes.

average ocean depth: 3,790 metres (12,400 ft)
the deepest lake in America is Crater Lake: (350 M) 1,148 FT
Students: We have free audio pronunciation exercises.
im sorry i just realized i didnt answer your question
wow you must work at nasa or something .....