When a warm air is lifted off the surface in temperature depression it is called ________?
A. An occlusion
B. A cold front
C. An anticyclone
D. A warm front
A. 1953
B. 1955
C. 1957
D. 1857
Which of the followong spacecrsft enabled man to step on the moon first?
A. Spuntnik I
B. Luna II
C. Vostok I
D. Apollo XI
A. Genetic disorder
B. virus disease
C. bacterial disease
D. diseases due to vitamin deficiency
Approximate age of moon is _________?
A. 4.51 billion years
B. 4.55 billion years
C. 4.53 billion years
D. 4.57 billion years
A. Zeolites
B. Sulphonides
C. Lime
D. Nitrates
A. Landslide
B. Eruption of volcanoes
C. Tectonic plates
D. All of these