Answers will be auto-submitted when time expires. 17. The lettered parts of the DNA strand in Figure 28-1 represent
(1 point)
T
с
A
모모모모모모
G
A
7
Figure 28-1
O nitrogen bases
O acids
O sugars
O proteins

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

In the practice of science, this type of reasoning is used to develop explanations.