Surface currents are not affected by a global winds b volcanic activity c coriolis effect d continents

What came first the elephent or the crocodile

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?

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false