A <u>pneumotachometer</u> actually measures <u>Air</u><u> </u><u>flow</u><u> </u>by sensing the <u>pressure</u> on ethier side of a fine mesh screen.
so, correct option is :
=》O Air Flow: Pressure
I’m pretty sure it may be: ecology ?
Answer is - Assimilation
Reasoning - photosynthetic organisms such as Algae or Plants assimilation phosphorus into their cell. Which they later transfer it to animals whom consume which then starts the cycle.
I answered the same question in another post but here I'll post what I wrote with reasoning why.
I am sure the answer is A.
The correct answer is ultrasound because the ultrasound is considered use sound waves for the detection of tissue, baby and things like that.
Hope that helps
