Name each stage of the demographic transition model and then describe an important feature of each stage.

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

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal

Which of the following statements about wearher along mountain ranges is correct