Describe a method to make pure, dry crystals of magnesium sulfate from a metal oxide and a dilute acid.

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.