Answers: 3
Biology, 21.06.2019 18:40, abbypark0804
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
Answers: 1
Biology, 22.06.2019 07:00, victorialeverp714lg
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?
Answers: 2
Q-Cars are usually made of metal. In an accident they bent but donot break. Why is this useful ?...
Mathematics, 21.01.2022 22:40
Mathematics, 21.01.2022 22:40
Spanish, 21.01.2022 22:40
English, 21.01.2022 22:40
English, 21.01.2022 22:40
Chemistry, 21.01.2022 22:40
Mathematics, 21.01.2022 22:40