What is the element required for solar energy conversion ______?

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Instrument used for measuring very high temperature is __________?

Pyroscope Pyrometer Seismograph Xylometer...

Who invented X-Rays ? (FPSC 2019 FIA AD)

1- Eldridge R. Johnson 2- Emile Berliner 3-  Conrad Roentgen 4- Non of theses...

What does Angstrom measure?

(a) Quantity of liquid (b) Speed of ships (c) Length of cables (d) None of these...

All of the following foods contain carbohydrates except.

A. Rice B. Meat C. Potato D. Milk...

Development of calf muscles in ladies who wear high heel sandals is common example of ?

A: Natural selection B: Artificial selection C: Use & disuse of organ D: Inheritance of acquired character...