How many chambers of heart?

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The function of hemoglobin is____________?

A. Transportation of oxygen B. Destruction of bacteria C. Prevention of anemia D. Utilization of energy...

T.V. transmission cannot cover a very large area because

A. the strength of T.V. waves is very limited B. picture cannot be transmitted clearly after a specific distance C. the shape of the earth is spherical D. the air is not a good conductor of light and sound/waves...

It is a secondary plant nutrient?

A. Nitrogen B. Phosphorus C. Sulphur D. none...

What is Melioidosis?

A. Infectious disease B. Loss of memory C. Red spot in skin D. Pain in joints...

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...