According to Alderfer's ERG theory, A : needs are related to each other in a stair-step fashion. B : Adler's growth needs match up with Maslow's lower-order needs. C : satisfied lower-level needs can become reactivated when a higher level need cannot be satisfied. D : existence needs are the highest level needs.

C : satisfied lower-level needs can become reactivated when a higher level need cannot be satisfied.

Explanation:

According to Alderfer's ERG theory an already satisfied lower-level needs can become reactivated when a higher level need cannot be satisfied.

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