train
The term that describes using ammo to injure or kill enemy soldiers and destroy property or equipment is "combat operations" or "military engagement."
The term "electronic commerce" or "E-commerce" describes the use of the internet to conduct business transactions.
Yes, describes contents
The term that best describes the simultaneous use of multiple rhythms in music, known as polyrhythm, is "syncopation."
ambidextrous
You can only use .30 carbine ammo or the European designation 7.62X33 ammo
wattss
A mixture of aluminum and an unknown element.
Skin
Tracer rounds are specialized bullets with a pyrotechnic charge that illuminates their trajectory, allowing shooters to observe and adjust their aim in low-light conditions.
There are varying opinions on what ammo is the "best." Generally speaking, the best ammo to use is whichever ammo is the most reliable in your particular gun.