How do we isolate caffeine from tea leaves? i want a detailed clear answer and i will vote 5 stars, follow you, and make you i promised :)

How does a large body of water, such as the ocean, influence climate?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

The term gas is limited to those substances that exist in the gaseous state at