Explanation:
Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.
Answer:
Bully: Hey you look so ugly
Me: Thanks, I was trying to look like you
Answer:
Hi!
Explanation:
The gunpowder empires rose after armed trade became common when trading with other empires.
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