How are the economic system of north korea and china similar

A)Both systems have emerging market economies.  

B)Both systems lack technological innovations.  

C)Both systems have democratic-type governments.  

D)Both systems have a centrally planned economy.

answer; (true);

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d