Ques: Q: As per hutton's unconformity, what happened to the intermediate layers of rock? Choices: - they metamorphized - they fused - they expanded - they eroded away A:
Ans: they eroded away

Ques: Q: What type of isomers contain the same number of atoms of each kind but differ in which atoms are bonded to one another? Choices: - different isomers - unique isomers - constitutional isomers - structural isomers A:
Ans: structural isomers

Ques: Q: Panting allows dogs to get rid of what? Choices: - fur balls - accumulated toxins - calories - excess body heat A:
Ans: excess body heat

Ques: Q: Chemical elements and water are constantly recycled in the ecosystem through what? Choices: - geothermal cycles - greenhouse gases - inorganic cycles - biogeochemical cycles A:
Ans:
biogeochemical cycles