An instructor watched the reactions of various students while she lectured on a topic. One student was doodling, another was text messaging on his cell phone, and another was writing her grocery list. Although frustrated by her observations, the instructor realized that these students have a hard time paying attention because:

Explanation:

This lack of attention and complete disregard is most likely due to there being a significant gap between the rate at which people listen and the rate at which they think. Individuals think three to four times faster than the speed at which they speak, meaning you could listen at a rate of up to 450 words per minute. Since the speaker can't output this many words, then it makes it very easy for the listener to start getting impatient which causes the mind to wander towards other more stimulating topics/tasks.

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