<span>There Are Four Main Arthropod Families.
Arthropods Account for 80 Percent of All Animal Species
Arthropods Are a Monophyletic Animal Group
The Exoskeleton of Arthropods Is Composed of Chitin</span>
They are located in Iran.
Answer and Explanation:
CE stands for Common Era which is a modern replacement for AD( Anno Domini).
Therefore, 2020 c.e is equal to 2020 A.D. (Anno Domini )
In the Chinese year(calendar) :
2020 c.e corresponds to 4717 Chinese Year
In the Islamic year :
2020 c.e corresponds to 1441 Islamic year
In the Jewish year:
2020 c.e corresponds to 5780 Jewish year
Migration is when the birds go from south to north, north to east, east to north, and south to east.
The reasons for migration is that when it is cold the births fly north to south to find somewhere warmer (Like Florida). Birds can't fly in the cold so they fly to the warmer area.
North Sea is where large deposits of oil are located
