Compressional waves
Explanation:
(longitudinal, primary, P-waves of earthquake seismology) are the fastest of all seismic waves. They propagate by compressional and dilatational uniaxial strains in the direction of wave travel through solid, liquid, and gas media.
Answer:
<em>Hydrogen.</em>
<em>Hydrogen can be considered to be in Group 1 or Group 17 because it has properties similar to both groups. Hydrogen can participate in both ionic and covalent bonding. When participating in covalent bonding, hydrogen only needs two electrons to have a full valence shell.</em>
Explanation:
A <em>bored</em> kid willing to help,
as always hope you're having a splendiferous day.
Either the first one or the second one but i believe it’s the stricter on