Early hominid fossils were examined and scientists concluded these hominids exhibited bipedalism. How could they tell that by looking at their skeletal remains?

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

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?