BPSC – Combined Competitive Examination · வினா 16
Which type of rock is formed from the cooling and solidification of lava?
விடையைக் காட்டு & விளக்கம்
விடை: (A) Igneous
விளக்கம்
Lava cools to form extrusive igneous rocks such as basalt.
- (A) சரி
Correct: igneous rocks form from cooled magma/lava (e.g. basalt).
- (B) தவறு
Wrong: formed by deposition of sediments.
- (C) தவறு
Wrong: not a rock type.
- (D) தவறு
Wrong: formed by heat/pressure altering existing rocks.