Respuesta :
Convection currents are identified in Earth's mantle. Heated mantle material is shown rising from deep inside the mantle, while cooler mantle material sinks, creating a convection current. It is thought that this type of current is responsible for the movements of the plates of Earth's crust.
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I hoped this answer helped!
Answer: For the question -- Complete the sentence about convection currents inside Earth.
Convection currents are formed in Earth’s MANTLE , which contains magma. Magma is MOLTEN rock. Magma (wrong answer is dissolves and diffuses so the correct answer is the 2nd answer "contracts and expands" due to the heat from Earth’s interior.
Explanation: I just took the test on Plato and this is what I got right and wrong