Students measured the temperature of the water at different depths in a pond and found that the temperature varied (was not the same everywhere). Independent variable and dependent variable.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

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?

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey