Which of the following months would be the darkest at the South Pole?

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

What is the most appropriate method of gaining weight (muscle mass)

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures