The carbon dioxide content in the air that we exhale is about?

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A light year is a unit of ?

A. Time B. Energy C. Length D. Mass...

The number of spark plugs needed in a diesel engine is__________?

A. 2 B. 3 C. 0 D. 4 E. None of these...

Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________?

A. Honey B. Water C. Milk D. olive oil E. None of these...

Tarsal bone is in?

A Hand B Arm C Leg D Foot ...

Diamond is harder than Graphite because of___________?

A. Difference in crystalline Structure B. Tetrahedral structure of diamond C. Difference in layer of atoms D. None of these...