AnswerAnswerOption one Optio oneonnononnnononnononnnno
Answer:
Option 2 is correct Answer
Chemical change cannot be seen where as physical change can be seen.
Chemical change eg sugar in a coffee & Physical change eg wood into a furniture
The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.