Ben coasts along a flat road on his bike. If Ben stops pedaling, his bike will eventually stop. If energy is conserved, why does the kinetic energy of the bike not stay constant and continue to coast forever?

What is the primary purpose of a game reserve?

What is the reason for the “scramble for africa”?

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