Why are my rose bushes dying and how can I revive them?

Rose bushes may be dying due to factors such as lack of sunlight, improper watering, pests, or diseases. To revive them, ensure they receive adequate sunlight, water them deeply but infrequently, prune dead or diseased branches, and treat any pests or diseases promptly. Additionally, consider fertilizing them with a balanced fertilizer to promote growth and health.