You need to buy a gift for a young cousin's birthday. you go to the mall and see a girl wearing a hello kitty t-shirt. you remember there is a store in the mall with a lot of hello kitty merchandise so you go there and buy a little backpack. when you give it to your cousin, she is very excited. in terms of behavioral learning, seeing the girl with the hello kitty shirt was a

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

sounds good to me mate!

raliegh, north ! hope this

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