How wide is a door in metric length?

Why do the paths of other stars appear as curved lines? How many thousandth of an inch in a mm? Why does helium not have the same number of valence electrons as helium? Why plant liberate oxygen in day and carbon dioxide in night time? 80 meters plus 60 centimeters? What will happen in the future if the ozone hole gets bigger in size? What does excretion in mrs gren mean? This type of lightning branches across the sky.? How many volcanoes in Guatemala are active? What in stones is 95.6kg? Is walking stick omnivore carnivore or herbivore? What land form is created by tectonic plates crashing together? Why is the windpipe supported by cartilaginous rings? How many miles are there in 5000 meters? Are gazelles omnivores? What is the highest climate in the Antarctic Desert? How do you prepare for a possible eruption and what to do in the event? How do you remove an over-the-range microwave? When Line of latitude run in a north south direction but are measured in what degrees? Is there a 6by6 rubik s cube?