(1)  Glaciers
(2)  Desert
(3)  Island
(4)  Fertile Land

Submitted by :- Muhammad Nawaz

(1)  Carbon dioxide
(2)  Sugar
(3)  Bacteria
(4)  Oxygen

Submitted by :- Muhammad Nawaz

(1)  Uranium Oxide
(2)  Uranium Plutonium Carbide
(3)  Uranium Plutonium Oxide
(4)  None of these

Submitted by :- Muhammad Nawaz

(1)  Power
(2)  Electric current
(3)  Energy
(4)  Time

Submitted by :- Muhammad Nawaz

(1)  Doppler effect in which an object appears bluer when it is moving towards the observer
(2)  Turning a star from white to blue
(3)  In future sun would become blue
(4)  Black hole was blue at its start

Submitted by :- Muhammad Nawaz

(1)  4 days
(2)  8 days
(3)  12 days
(4)  16 days

Submitted by :- Muhammad Nawaz

(1)  2
(2)  3
(3)  0
(4)  4

Submitted by :- Muhammad Nawaz

(1)  In asteroid belt between the orbit of Mars and Jupiter
(2)  In asteroid belt between the orbit of Mars and Venus
(3)  Everywhere in the sky
(4)  None of these

Submitted by :- Muhammad Nawaz

(1)  Optical fiber
(2)  Transistor
(3)  Photo diode
(4)  Decoder

Submitted by :- Muhammad Nawaz

(1)  Size of the earth in relation to that of moon
(2)  Area of the Sun covered by the moon
(3)  Direction of rotation of earth around the sun
(4)  Orbit of moon around the earth

Submitted by :- Muhammad Nawaz