Who invented bifocal eyeglasses?

Related Mcqs:

Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer.

A. January – July B. June – December C. July – January D. December – June...

Radon is___________?

A. germon radio B. radio active gas C. artificial fibre D. an explosive...

Which Organ is affected by trachoma?

A. Liver B. Lungs C. Eyes D. Brain...

When WBCs greatly increased in number, they cause a disease called?

A: Anaemia B: Leukaemia C: Haemophilia D: Diarrhoea...

The age of tree can be measured by ………………..

A. Measuring the size of tree B. Counting the number of rings in the stern C. Counting the number of branches D. Counting the number of leaves...