20°C তাপমাত্রায় ও 740mm (Hg) চাপে 0.842 ভরের একটি গ্যাস 400ml আয়তন দখল করে। গ্যাসটির আণবিক ভর কত?
When she parted her parents, her eyes were full of tears.
He can sing better than-in his family.
Since the bus companies compete with one another, the drivers have every incentive to drive aggressively and take more passengers than the
buses hold.
The future of the planet doesn't look too good, but there isn't much .
I can make about it
I can do about it
can I do about it
I can't do about it
You have to take the full course of your antibiotics you feel better, your illness will simply return.