Never
NEVER!
Never, a rhombus is a parallelogram.
sometimesImproved Answer:-Never
tomorrow
The future cannot be seen but is always in front of you.
time
Your future, or air
future
Air
I've never seen any.
Never seen chlorine in a swimsuit, always in bottles or plastic drums.
I have never seen Metformin 500mg with an A imprinted on it only the 500
She wants you to be away from her so that she can't be seen with you.
Yes, i have never seen one that isn't.
40 years as a mathematician and I have never seen them in parentheses!
If you mean on stairs, I have never seen them glued. Always screwed in.