Which discovery is most directly related to careers in biology?

Gases diffuse most efficiently across what? What type of rock is arrowhead sedimentry igneous or metamorphic? Dichotomous keys are divided into steps with how many descriptions at each step? If your happy and you know it clap your hands song? How many meters are in 93 feet? Is restraint common noun or proper noun? Is oxygen polar molecule or non polar molecule? Is shaving cream a polymer? Why can multiple bonds be considered a single electron domain? Submarine canyons are usually found in which region? How does Lichen avoid being eaten? Why can't the space shuttle land in the rain? What are the tools do you using to build terraces? Where did the Japan tsunami 2011 happen? What is the line or streak across a muscle called? What raw material does North Korea have? How is knowledge of physical geography useful to a weather forecaster? When was the last time a meteor ever hit ohio? What is an element with a -1 charge in period 2? An object of a mass of 2.5 kg is thrown upwards with an initial speed of 39 ms How fast is the object traveling just before it hits the ground Assume that there is no air resistance?

Which discovery is most directly related to careers in biology?