How does dna lead scientists to better classify organisms

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Isolated volcanic peaks on the ocean floor are