Answer:
The continents are light in color because they contain:
( A ) silicon and aluminum
Explanation:
Continental crust -
Continental crust contains more light-colored rocks than oceanic crust .
The continents crust are light in color because they contain:
silicon and aluminum but in the oceanic crust silicon and aluminium not present.
In oceanic crust only silicon and magnesium is present , which is responsible for the dark crust of ocean.
Hence,
Correct option is - ( A ) silicon and aluminum
