Question

what are the two different crust types? ○ continental crust and oceanic crust○ mantle crust and core crust○ igneous crust and sedimentary crust○ inner crust and outer crustwhat elements make up most of earths core? ○ oxygen and silicon○ iron and nickel○ carbon and hydrogen○ aluminum and calcium

Explanation:

For the first question, Earth's outermost layer (crust) is divided into two distinct types based on location, composition, and thickness: one forming continents and the other under oceans. For the second question, geophysical evidence and seismic data confirm that Earth's core is primarily composed of dense, metallic elements.

Answer:

1. Continental crust and oceanic crust
2. Iron and nickel