Question

which layer does the convection currents occurs?
o crust
o outer core
o inner core
o mantle
question 4
what is the state of matter of the outer core?
gas
liquid
solid

Explanation:

Convection currents in Earth's interior occur in the mantle due to heat - driven movement of semi - molten rock. The outer core is in a liquid state because the high temperatures and pressures allow the iron - nickel alloy to flow.

Answer:

For the first question: D. Mantle
For the second question: B. liquid