Where does mesopelagic gets it energy and nutrients from?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred