Passing genes to GENErations
Answer:
Helium neon and Argon are called inert gases are noble gas because they have complete its duplet as well as Octate. and no other element like Helium neon and Argon complete its octate and duplete. in the 18th period all element are inert. Which gas does not exist in air?
Explanation:
Answer:
I'm liking D for the third one but you might be correct.
Explanation:
Leaving<span> a </span>stain<span> on too long generally </span>stains<span> everything; </span>leaving<span> little contrast.</span>
