You are hiking in the colorado rockies in the summer. you start hiking at 6,000 feet in a warm grassland full of elk. as you climb the mountain, you pass through forests from 8,000–10,000 feet with lots of deer. above 10,000 feet, you are in an alpine tundra with furry marmots. what types of plants would you expect to find in an alpine tundra?

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

Where are the options ?

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D. the index of refraction of the second medium is lower.