Explain why each pair of words below are opposites.

Scientific evidence is most likely to be consistent if it is based on data from

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

Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest?