constant change of refractive index of the medium between the stars and the Earth because of temperature variation
frequent and periodic fluctuation of temperature of the surface
great distance of stars from the Earth
rise and fall of gaseous ball of fire inside the stars
Both A and R are individually true and R is the correct explanation of A
Both A and R are individually true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Krishna and Kaveri
Godavari and Krishna
Ganga and Mahanadi
Mahanadi and Godavari
2 million years ago
2 billion years ago
5 million years ago
5 billion years ago
Angola
Argentina
Sudan
Uruguay