Question

2. What is the earth's crust made of?​

Answer 1

the earth crust is made up of oxygen, silicon, aluminium ,iron ,calcium sodium ,potassium ,magnesium

Answer 2

Answer:

Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium