Sumerians were the first people to invent the wheel, but they were not advanced enough to develop a system of writing? True Or False

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources

Why do you think kush in nubia is not as well-known as egypt? ( me with my exit ticket)

The pka of three different c―h bonds is given below. explain the observed trend in pka. select the single best answer.