Which of these most facilitated the human migration patterns shown above? a. tools. b. belief systems. c. worship of fertility goads. d. rise of centralized states.

In a communication, the media needs to be shared between devices

Jackie went to the grocery store to pick up yogurt, bread, and apples. first, she picked up a hand basket for carrying her groceries, and then she searched the store. after finding what she needed, she stood in a check-out line. then, the cashier put her items in a plastic bag, and soon after, jackie left the store. as readers of this event, we understand that jackie paid for the groceries, even though it wasn't mentioned, because we are relying on a grocery store

Pre-tesi active how does the contractile vacuole in a single-celled organism function to maintain homeostasis?