What is the concentration of carbon dioxide in this sample

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

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?