Answer:
Nobel gases
Explanation:
Well since Krypton is in a group called the “Noble Gases”, then Krypton is similar to the others; Xenon, Helium, Neon, Argon, and Radon.
3
it's too because on you measuring mass of something
Hi, There!
O 10 m/s
O 10 yd/s
------------------------------------------------------------------------------------------------------------------
Have a great day!
This is the answer bro hope it will help you
D.6.0m/s
5/18*21.6
=6.0m/s
