now that you have a better understanding of natural selection, write Alex young an argument for the claim you think is best supported about the mystery of the rough skinned newts

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

What causes the cyclical changes in the appearance of the moon?

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