K-T boundary refers to :(a) mass extinction of 60 million years ago wh

1.	K-T boundary refers to :(a) mass extinction of 60 million years ago when dinosaurs disappeared (b) deposits of iridium which are rare on earth (c) Both (a) and (b)(d) None of these
Answer» Answer is : (c) Both (a) and (b) K-T boundary refers to the mass extinction of 60 million years ago when dinosaurs disappeared. It is connected with deposits of iridium which are rare on the earth.

K-T boundary refers to :(a) mass extinction of 60 million years ago when dinosaurs disappeared (b) deposits of iridium which are rare on earth (c) Both (a) and (b)(d) None of these

Answer»

Answer is : (c) Both (a) and (b)

K-T boundary refers to the mass extinction of 60 million years ago when dinosaurs disappeared.

It is connected with deposits of iridium which are rare on the earth.

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K-T boundary refers to :(a) mass extinction of 60 million years ago when dinosaurs disappeared (b) deposits of iridium which are rare on earth (c) Both (a) and (b)(d) None of these

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