താഴെ തന്നിട്ടുള്ളവയിൽ നിന്നും ശരിയായ പാരമ്പര്യേതര ഊർജ്ജസ്രോതസ്സുകൾ കണ്ടെത്തുക :
(i) സൗരോർജ്ജം
(ii) ജൈവവാതകവും സൗരോർജ്ജവും
(iii) കാറ്റിൽ നിന്നുള്ള ഊർജ്ജം
Ai
Bi & ii
Ci,ii & iii
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