Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

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?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus