Which of these is an example of climate change? lower sea levels

changes in when flowers and plants bloom

less extreme weather occurs

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

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

If scientists only detect p waves in a certain layer of earths interior what does that tell us?