When you blow across the top of a soda bottle, it acts like a closed pipe. If the inside of the bottle is 0.150 m long, what is the fundamental frequency you hear? (Speed of sound = 343 m/s) (Unit = Hz)

answer: 0

explanation: im   14

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

answer: the correct answer for the fill in the blank is rods.

rods are the specialized photoreceptor cells that are present in the retina of human eye. they are responsible for vision in the night time ( also called scotopic vision). they have very low visual acuity and color distinguishing ability.

as they are responsible for vision in night time, therefore they are found predominantly in the nocturnal animals.