Answer:
Sound travels as waves of energy, but, unlike light, the waves transmit energy by ... You can think of it like a tiny air explosion that travels outward around the thing ... If you drop a marble into a bucket of water, you will be able to see the ripples ... it sounds funny because the water is carrying the sound wave instead of air.
Explanation:
What is the basic function of catabolic operons like the lac operon?carbon and glucose
Quartz also has a hardness level of 7.5, so rubbing another mineral with a 7.5 hardness on it will not effect the quartz.
Universe, galaxy, solar system, star, planet, moon
Because they dont want to kill the grass or the plants that they want. but only to kill the plants its meant for