The two steps in photosynthesis shown in the model are called the light-dependent reactions (chloroplast becomes excited) and the light-independent reactions (chloroplast returns to an unexcited state). 1. Do your observations confirm that the first step requires light and the second does not?​

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?