Originally, Wegener's hypothesis that the continents float and are constantly moving on the surface of the Earth was called

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

How many square miles is the big island of hawaii

Why are all maps distorted? when reading a map, why is it important to check the legend? what is the difference between longitude and latitude? identify the meridian at 0° longitude and the parallel at 0° latitude.