Answer:
See below
Explanation:
<u>I will use 3 x 10^8 m/s for speed or wave</u>
speed = wavelength * frequency
3 x 10^8 = w * 7.34 x 10^2 <====== are you sure this isn't KILO Hz ?
w = <u>408719. 3 meters </u>
Answer:
B
Explanation:
Spectroscopy measures electromagnetic radiation.
The 2nd has the most porosity
Infiltration
That's all I can answer for you. Hope it helps