Which is one of the five characteristics of life?

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

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?