“What is the role of the WHO? What are some of the issues that the WHO has been involved in that have affected Canada?”

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

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

The states that the process that have been occurring today have been occurring since earth formed. what is it?