-Quantum theory can explain dark matter, while general relativity provides an explanation for dark energy. -Quantum theory and general relativity are incomplete descriptions of the universe. -The effectiveness of modern gravitational theory is in its explanation of the origin of the universe (time zero) Gravitational theory has the unique power to describe singularities. -The Standard Model can explain all the values ofthe constants of the universe. Which forces have been unified? -Electricity and Magnetism. -Lambda and Omega. -Strong and Omega. -Electricity and Gravity. -Electromagnetism and Gravity