The continental divide
a. divides the united states into east and west
b. divides the united states into north and south
divides the flow of river systems in the united states into east and west
d. is a series of rivers and mountains that separates canada from the united states
select the best answer from the choices provided.
coo

I think it is B

Explanation:

the continental divide was the divide of the Americas for example North and South America

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.

your wrong the correct is d i did edunity and the answer