A contact lens is made of plastic with an index of refraction of 1.45. The lens has an outer radius of curvature of 1.92 cm and an inner radius of curvature of 2.40 cm. What is the focal length of the lens

What is similar between metals and suspensions

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.

Which of these is the best way to manage a natural resource