खडकाचे एका प्रकारातून दुसऱ्या प्रकारात रूपांतर होण्याच्या प्रक्रियेला काय म्हणतात?

Assertion (A): Epeirogenic movements result in the formation of deep ocean trenches. Reason (R): Epeirogenesis involves localized, intense folding and faulting of rock layers. Which of the following is correct?

'Rhyolite' rocks are a type of:

Which of the following is the first indication of an approaching Tsunami?