(1)  Troposphere
(2)  Ionosphere
(3)  Mesosphere
(4)  Stratosphere

Submitted by :- Muhammad Nawaz

(1)  Carbon
(2)  Gold
(3)  Silver
(4)  Platinum

Submitted by :- Muhammad Nawaz

(1)  Aphelion
(2)  Perihelion
(3)  Perigee
(4)  Apogee

Submitted by :- Muhammad Nawaz

(1)  Altering human beings by changing their genetic components
(2)  People of European region
(3)  Different races of mankind
(4)  Genetic of plants

Submitted by :- Muhammad Nawaz

(1)  Orion
(2)  Columbia
(3)  Canis major
(4)  None of these

Submitted by :- Muhammad Nawaz

(1)  Zero
(2)  25%
(3)  50%
(4)  75%

Submitted by :- Muhammad Nawaz

(1)  CTT
(2)  AGU
(3)  GTG
(4)  AAT

Submitted by :- Muhammad Nawaz

(1)  Electromagnetic force and gravitational force
(2)  Electromagnetic force and weak nuclear force
(3)  Gravitational force and weak nuclear force
(4)  None of these

Submitted by :- Muhammad Nawaz

(1)  Nitrogen + Hydrogen
(2)  Nitrogen + Carbon
(3)  Nitrogen + Oxygen
(4)  Oxygen + Carbon

Submitted by :- Muhammad Nawaz

(1)  Choriods
(2)  Retina
(3)  Sclerotic
(4)  Cornea

Submitted by :- Muhammad Nawaz