II. FILL IN THE BLANKS. Direction: Fill in the correct answer. Write it on your answer sheet. 1. Volcanoes erupt when a molten rocks called _______ rises to the surface. 2. Melting may happen when are pulling apart or when ________ one plate is pushed down under another. 3. If magma is thick,_______ cannot easily escape and pressure builds up as the magma rises, 4. Another way an eruption happens is when water underneath the surface interacts with ________ and creates steam. 5. Inhalation of volcanic ash can be very detrimental to _______.