a compound of carbon, hydrogen, and nitrogen with a mass of 28.72 g was found to contain 7.924 g of carbon, 0.3304 g of hydrogen, and the rest is nitrogen. determine the empirical formula

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.