<span>The correct answer is C. Family. That is because the only things smaller than family are genus and species and they are not mentioned here. Life and domain are larger than kingdom and kingdom is larger than phylum. Class and order are smaller than phylum but are larger than family. That's why your correct answer is family.</span>
<span>your answer is cranial cavity </span>
Answer:
Enzymes speed up a chemical reaction making the reaction easier to occur.
To find the speed of waves, use this formula!
V = frequency x wavelength
(V is a unit for speed)
Plug in your numbers!
V = 3.7 x 8.4
V = 31.08 m/s
*m/s is meters per second.