Which of these is an example of a physical change ? 1. melting a substance 2. breaking chemical bonds 3. forming chemical bonds 2. nuclear decay

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.