P-SELL Big Idea 9 Assessment: 1. Which of the following is an example of a material undergoing a chemical change? a . b. d. Gold is melted and new jewelry is created. Water boils and turns into vapor. A bicycle is left out in the rain and turns to rust. Water is put in a freezer and turns into ice.

What does the process of natural selection involve

In salt water solution, the salt is the blank

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?