The economy of the Middle Colonies relied heavily
upon
A. cash crops of wheat and corn
B. shipbuilding
C. trading

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs

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