Question

Explain the composition of the upper crust and lower crust of the earth.​

Answer 1

Answer:

here is the answer

Explanation:

please mark as not

Answer 2

Answer:

hi

Explanation:

The continental crust has an average composition similar to that of andesite, though the composition is not uniform, with the upper crust averaging a more felsic composition similar to that of dacite, while the lower crust averages a more mafic composition resembling basalt.