Which of the following is an example of a synthetic polymer? a. starch b. plastics c. proteins d. cellulose

What noticeable trend from this graph might be used to make a conclusion?

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)