Convection currents form in atmosphere and freshwater lake. Convection currents occur when there is difference in temperature in both substances (eg. fluids). When there is a difference in temperature, the hot substance rises and the colder one sinks. The flow then will be form a hotter to the colder region.
For example : water vapour in the atmosphere is also considered to be apart of the hydrosphere. The precipitation connects the hydrosphere with the geo sphere by promoting erosion and weathering
I am absolutely sure that Africa and Oceania similar in such way : <span>Located mostly in Southern hemisphere. I thing this is the only common thing, at least from the represented options this one is the most logical. To make yourself sure I suggest you to have a look on a map and see the location, this answer is really helpful.</span>
Answer: along the Nile River, on the Nile River delta, fresh water and fertile soil, similar to
Explanation: I got the answers right.
