How big is 10MM on a ruler?

London time zone? What supplies does centripetal force needs to keep planets in the solar system in orbit? How much time is neded for Saturn to revolve around the sun? What is something farmers sow to make plants grow? How much space does th ring of fire take up? What is the volume of liters of water that has mass of 0.012 mg by definition the density of water is equals to 1000 kilogram per cubic meter? Why marine protoctista have no contractile vacoule? Where is Lincoln Park located? What characteristics do you think scientists will be looking for on these other planets? Is an atom more complex than a molecule? What are some ways in which environmental factors can result in trauma? Would you rather use kilograms or ounces to measure a bicycle? How much damage was cause during sthelens last eruption? Should you install a heating device in the ceiling or near the door? How many milimeters in 5 centimeters? Why is change necessary in an ecosystem? What white substance do boys excrete before the sperms comes out? What element remains solid in warm and remains liquid in cold temperatures? What do chromosomes supply an oganism with? What are the major themes of social interaction?