Which model correctly shows energy flow in a food chain?

Which of these resources is used worldwide to make construction products, pottery, and porcelain

Talking listening and reacting non verbally are all part of communicating

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2