Which of the following is a physical change? A newspaper burns when placed in a fire. An iron chair rusts when left outside. A s
ample of water boils and releases gas. A plant changes carbon dioxide and water into sugar. Question 3(Multiple Choice Worth 2 points) Which of these statements best describes the relationship between elements, compounds, and pure substances? Pure substances can be divided into two groups: elements and compounds. Compounds can be divided into two groups: pure substances and elements. Elements and pure substances are two of many different types of compounds. Pure substances and compounds are two of many different types of elements.
Explanation: The geosphere includes the rocks and minerals on Earth from the molten rock and heavy metals in the deep interior of the planet to the sand on beaches and peaks of mountains. For example Sedimentary rocks, Igneous rocks, and Metamorphic rocks.
