is a term used to describe changes in the normal cycles of the Earth's climate that are attributed to human activity.

What is the approximate circumference of the circle shown below? 12.2 cm

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

When you cross a time zone going east, what happens to the time