Question

do the following statements describe a chemical or physical change? a flashlight beam slowly gets dimmer and finally goes out due to a dying battery. chemical physical neither the growth of plants depends upon the suns energy in a process called photosynthesis. chemical physical neither

Explanation:

1. For a dying - battery in a flashlight, a chemical reaction occurs inside the battery to produce electrical energy. As the battery dies, the chemical substances inside change, so it is a chemical change.
2. Photosynthesis is a chemical process in which plants use sunlight, carbon dioxide, and water to produce glucose and oxygen. New substances are formed, so it is a chemical change.

Answer:

1. A. chemical
2. A. chemical