The drink "kykeon," which Iambe gave to Demeter, contained water mixed with barley and mint, but the barley contained traces of ergot, an essential ingredient in: a. indigo b. mercury c. "death cap" mushrooms d. spider venom e. LSD

LSD

Explanation:

The drink "kykeon," which Iambe gave to Demeter, contained water mixed with barley and mint, but the barley contained traces of ergot, an essential ingredient in LSD.

kykeon was an ancient Greek drink made mainly of water, barley, and herbs and other various description which was also said to contain psychoactive elements.It was used at the climax of the Eleusinian mysteries(rite passage held every year for the cult of Demeter and Persephone based at Eleusis in Ancient Greece).

Lysergic acid diethylamide (LSD) is a hallucinogenic drug, one of the most potent mood changing chemical with effects typically include altered  awareness of perception,thoughts, feelings and awareness of one's environment.

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