Which type of marine ecosystem do you think supports the least life

The model illustrates a process by which a substance is taken up by a cell

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?

Dna replication or repair occurs in a cell in all of thw following situations except when