Question

Complete the following sentences
(i) Two American Viking probes landed on Mars in _________.
(ii) They looked for _________ in the surrounding soil and
_____________.
(iii) The two things that they found were
a)—————————
b) ————————

Answer 1

Explanation:

Viking probes are launched by NASA (USA) in 1976 for conducting the life experiment on the mars surface.These probes spent approximately 3 earth years on the mars.

(i) Two American Viking probes landed on Mars in 1976.

(ii) They looked for Water in the surrounding soil and Atmosphere.

(iii) The two things that they found were

(a)Water in the form of ice.

(b)Atmosphere.