Interpret data to determine the oldest rock bed. a sandstone contains a 400-million-year-old fossil. a shale has fossils that are over 500 million years old. a limestone, between the sandstone, contains fossils between 400 million and 500 million years old. which rock bed is oldest? explain.

True or false. epeirogenic changes deform the crust.

This one too which statements describe attributes of an artesian well? check all that apply. requires a bucket uses natural pressure uses a mechanical pump is heated by hot rocks or magma has groundwater stuck between impermeable layers

Need this asap! geography 10 points! will mark brainliest! (this is a webquest < i'm bad at these) answer each question below thoroughly (3-4 sentences each): 1) has international aid done more harm than good for the people of africa? 2) what are the benefits of international aid? 3) what are the problems with international aid? 4) what are the alternatives to international aid? 5) what do you think is the best approach to offer international aid? whoever answer accordingly will get brainliest, youuu humans!