Environmental impact studies are conducted to see if the benefits of an invention outweigh the risks.
True
False

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

In which of the following relationships is one organism always benefited while the other organism is always harmed