Scientists think the is solid iron with a layer of liquid iron surrounding it. A. outer core
B. inner core
C. mantle
D. crust

Scientists think the is a solid iron with a layer of liquid iron surrounding it. 1. ... iron surrounding it. 1. Outer core 2. Inner core 3. Mantle 4. Crust,. 1 ... The inner core is made of solid iron, and it is surrounded by the liquid iron of the outer core. ... A) mantle B) outer core C) inner core D) lithosphere.

Explanation:

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?

for a different answer set the answer would be because the oxygen in the water had depleted (apex)