Why does one year on earth have 365 days and one year on Mercury have only 88 days?

How would the growth of a plant be affected if it were lying on its side? Can a lithium ion battery be overcharged? What was Marie curies childhood like? Why does rubbing alcohol work to lower the high temperature of a sick? What is the season now in US? What is the efficiency comparison between renewable energy and fossil fuels? In U.S coastal waters what color are cone-shaped even-numbered nun buoys? Can you cell become large enough to cover new york city? Why atomic weight of chlorine is 35.5 though isotopes of chlorine 35 and 37? What is the scientific name of dock? How many inches are there in 3 yards 5 inches? If ceiling box has grey purple and yellow wires Which is 'black'and Which is 'white'? You burnt a yellow candle a blue candle a green candle a black candle a white candle and a red candle and the blue burnt the fastest why is that? What does a negative value for heat represent? Why was polymerase chain reaction developed? What is homeostasis explain active and passive process? What areTwo structural adaptations plants enable them to live on land? 3 ways carbon atoms return to the nonliving part of the carbon cycle? How many mitochondria does human have when they are born? Is blood an element compound or mixture?