Answer: the first and fourth
Explanation:
Ripening and rotting can be explained as chemical changes in chemistry. The other two answers are physics-related. Venus rotates in an opposite direction because it has like forces with mercury, so it repels it, causing it to turn away. This is electromagnetic force, something definitely not directly related to chemistry. The 200-pound person problem has to do with weight, mass, and gravitational force, which is mainly in physics.