Which of the following goods were commonly traded among Mississippians? corn and wood
wood and beans
clay and corn
salt and clay

Corn, beans, squash, sunflowers, goosefoot, sumpweed, and other plants were cultivated. They also ate wild plants and animals, gathering nuts and fruits and hunting such game as deer, turkeys, and other small animals. Mississippian people also collected fish, shellfish, and turtles from rivers, streams, and ponds.

Explanation: hope this helps

there is none because earth is stationary and flat.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.