How many microscope exist in the world?

How many microorganisms can be on one hand? Can fingernails lodged in the throat be dangerous? What is the effect do gibberellins have on stem? What do you call a diagram that represents the many energy pathways in a real ecosystem? What type of injection is made into the middle layers of the skin? Describe the 3 layers of bones? The idea that all continents were once a single landmass but are now separate is called the theory? What is difference between enzyme and receptor? Dull ache in right calf of leg that radiates up to hip for the past four days wonder if it is a blood clot? What is a biometabolite? What is Asian hardwood? What are the key features of the mouth? What are the effects of the implant? What cell is responsible for hair color? What experimental results suggested to Watson and crick that DNA was in the form of a helix? Can losing your virginity cause you to start your period early? A term reffering to the mass of genetic material found in the nucleus? What does biodegratable mean? Analogy of amyloplast in the school? What happens when a red flowered plant with incomplete dominance is crossed with a pink flowered plant which is the offspring of the crossing of a white flowered plant and a red flowered plant which has incomplete dominance?

How many microscope exist in the world?