Currently the periodic table is arranged by increasing atomic number and a clear pattern of properties.
True or false

True

Explanation:

From left to right, it increases in atomic numbers, and it is separated into groups in columns.

This is false. They are not located above the high tide mark but rather in the intertidal area, which is the area between the land and the salt water and is constantly covered by tides. When the tides retreat, they leave the salt on the ground so salt water marshes are created in these areas, and they get tide flooded over and over again.