Which of the following is a chemical equation that accurately represents what happens when sulfur and oxygen react to form sulfur trioxide?

a)s and o2 produce so3.
b)s + o2 → so3
c)sulfur and oxygen react to form sulfur trioxide.
d)2s + 3o2 → 2so3

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

Which of the following best describes the shape of earth's orbit? a.ellipticalb.circularc.spirald.figure eight