Answer:
Krypton is named after the Greek word that means "secret." Which explains why krypton was most likely given this name? Krypton is a noble gas, so it was difficult for chemists to find it, as though it was a secret.
Explanation:
Letter D.
The scarier the better, and many people like loops
Answer:
I'd have to see the diagram to figure this out. im sorry
Explanation:
if you have another question, i'll help
Mass % of NaCl = 0.9 % (m/v)
Density of 0.9 % NaCl is about 1.0 g/mL
Volume of NaCl in mL :

= 11.25 mL NaCl