Which of the following did Egyptians and Mayans have in common? (4 points) a
Both societies had an advanced understanding of astronomy.

b
Both societies practiced mummification of the dead.

c
Neither society practiced human sacrifice.

d
Neither society had a complex caste system.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.