Identily each of the highlighted materials as an element, a compound, or a mixture, and explain your reasoning

Which type of reaction always has an element and a compound as reactants

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Determine the reaction and balance the following equations urgent due in the morning