A solution that had a pH change from pH 8 to a pH 6 can also be described as​

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17