Who discovered the guyabano?

Why is it confusing to refer organisms by common names? What part of the brain controls posture? What type of molecule is shown above? How are stars born live and die? What is the name of the method whereby developing pure lines breeders preserve desirable traits but maybe close relatives? Is America going to send a man to Mars? When was William Patten - zoologist - born? What does bedring means? What happens when heat is applied to a gas contained in a cylinder? The characteristics of all organisms and viruses are determined by the instructions carried in what? Is the power plant still producing energy today on the three mile island? What is low air density? How did early cyanobacteria affect the physical conditions on earth? What scale is used to measure earthquake intensity? How fast a radioactive element decays is given by is what? Waves with shorter wavelengths than those of visible light are called? Will the force of attraction between same two bodies be same or different when they are in turn kept on earth? When was Venus first seen ever? What is an object so massive that light cannot escape its gravity called? Are there 12 square inches in 1 square foot?