PLEASE HELPP!!
True or False: Non-metal is a kind of metal.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!