What is the most important organ in the human body?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

In which state was more than 100 billion tons of coal mined in 2005?