Test Mode Reading Mode Right = 0 Wrong = 0

অক্সিজেন (O)

All Question - (9)

মস্তিষ্ক
রক্ত
হৃৎপিন্ড
ফুসফুস

মস্তিষ্ক

রক্ত

হৃৎপিন্ড

ফুসফুস

Created: 6 years ago | Updated: 1 year ago
Updated: 1 year ago
Water of pond
Water of Lake
Water of River
Water of Low Lands
Created: 5 years ago | Updated: 1 month ago
Updated: 1 month ago
oxidizing flame
neutral flame
carburizing flame
all of these