What is the flow direction in Texas, and what major body of water receives the drainage?,
HELPP

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 of the following describes the relationship between elements of an ecosystem

Compare and contrast cuba's economy with the economies of the other caribbean countries.