Which spiral arm of our glaxay is the solar system located in?

How many times does the blood passes through the kidneys a blood a day? When was the first hole in the ozone layer found? Which of newton's laws states that the velocity or speed of an object does not change unless a force interferes? When radiation is absorbed what happens to its energy? What is reflection and refraction of light? What caused by collisions with container walls? Why do we need to maintain a constant body temperature? What is the Euphrates River latitude and longitude? What is the southernmost island in the Philippines? Why won't a three way lamp switch work with a wall controlled outlet? Do Dominicans live in a particular area in the us? What is the Scientific word for nose blind? What is chalk powder? Which continent includes the coordinates of 45 degrees N latitude 115 degree E longitude? How fast does the moon and Cassiopeia's chair move across the sky? How can we dreacrese biodiversity's threats? What use SI unit foot pound gallon or second? How many moles are present in 40g of helium? What occurs when leaves and flowers grow to a set size? Do physical maps show the average temperature and precipitation in a place?