What are the 2 main characteristics scientists use when classifying plants?

What is responsible for the uneven heating between the poles and the equator on any given day

Is dna the same in every cell in the human body explain your answer

3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.