What conditions result in precipation that falls as freezing rain? what conditions result in precitation that falls as snow?

Which of the following best describes the economy of africa?

Is water wet? and is fire on fire?

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