What is the primary law of photochemistry? The primary law of photochemistry is called the Grotthuss–Draper Law. Grotthuss–Draper Law (Primary Law) Simple… September 29, 2025September 29, 2025
How do astronomers define an astronomical year? Astronomers typically define an “astronomical year” in terms of the Earth’s orbit around the Sun.… April 14, 2025April 18, 2025