What are the similarities between ponds and lakes? .
1 ponds and lakes both contain still or standing water..
2 ponds and lakes generally have the same depth..
3 ponds and lakes have the same amount of minerals in them..
4 ponds and lakes have the same surface temperature.

The answer is 1 because a river has moving water and ponds and lakes have still water.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

i believe this is