Please someone help I'm very confused How much time in hours would it take a car to drive 100 miles at a speed of 33 miles per hour?

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 avogadro’s number, and why is it useful

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom