How would this affect enzyme activity? ?

Explain how the political influence of african americans leaders became weaker.

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?

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?