What can changes in the fossils of a single organism over time reveal? a. how the species evolved b. relative age of the rocks containing the fossils c. how the climate changed d. how the rock layers were deposited

Began during presidency of john q. adams tariff of 1828 and 1832 states’ rights versus federal authority john c. calhoun’s ‘proclamation to the people of south carolina’ concluded during the presidency of andrew jackson is which event are these characteristics describing

Which kind of map you would be used to show population density in the countries of the world

Consider the events in alfred wegener's life that led to his development of the continental drift hypothesis. review the items below and determine whether each item is (1) an observation that led alfred wegener to develop his continental drift hypothesis, or (2) evidence wegener gathered to support his proposal.