The picture above shows a , which was first used between 3300 and 3100 BCE in order to ensure that no unauthorized person could gain access to whatever was being sealed.

a. stylus seal
b. cylinder seal
c. cuneiform seal
d. Sumerian seal

C. Cylinder Seal

Explanation:

Small cylinders carved out of stones and used to make impression on wet clay were known as cylinder seals. When the seal is rolled on the wet clay it leaves an impression that can be used to prove the identity and ownership. the seal mentioned in the picture are Mesopotamian cylinders seals.

Mesopotamian seals are words of arts as they contain tiny figures of men, beasts and gods. Most of the Mesopotamian seals were made of lapis lazuli, carnelian, semi precious stones and limestone.  Some seals were also made of gold, bone, ivory, bronze and copper. These seals were in use all over Mesopotamia for over 300 years.

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.