Using iodized salt aids thyroid gland to function normally cause thyroid uses iodine to produce thyroid hormone which is essential for proper growth in children and important in metabolism for all individuals
Tell students that greenhouse gases cause a warming of Earth's atmosphere. Have students brainstorm a list of greenhouse gases and hypothesize how they warm Earth's atmosphere. Student responses should include greenhouse gases such as carbon dioxide, water vapor, and methane. Responses about how these gases warm Earth's atmosphere should include that the gases prevent the escape of heat energy (infrared radiation) from the atmosphere.