How does the roots of most plants obtain food for suvival

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

What is the mass of 8 moles of sodium atoms

Why does his teacher ask him to balance the equation by including the correct coefficient