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Questions and Answers
What is the chemical formula for calcium carbonate?
What is the chemical formula for calcium carbonate?
- CaCO3 (correct)
- NaCl
- H2SO4
- CaCl2
Which process is responsible for the formation of sedimentary rocks?
Which process is responsible for the formation of sedimentary rocks?
- Weathering and erosion (correct)
- Crystallization from magma
- Metamorphism
- Volcanic activity
What is the function of a concave lens?
What is the function of a concave lens?
- To converge light rays
- To absorb light
- To diverge light rays (correct)
- To bend light rays at a right angle
