Answer:
PERIODS
Explanation:
As with any grid, the periodic table has rows running left to right, and columns running up and down. The rows are called PERIODS and the columns are called GROUPS.
A disorder that involves recurrent, irresistible urges to pull out body hair.
Communication or dealing w individual groups
Corals. Corals are organisms in the ocean that serves as a shelter, niche and other vital functions for sea creatures. Because of human interference and man-made pollution, either this contact is direct or indirect they are being affect at a greater rate, even extinction. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
