If used, resources can be extended through recycling and decreased use. Changes in Environments Environments are the space, conditions, and factors that affect an individual's and a population's ability to survive and their quality of life. Changes in environments can be natural or influenced by humans. Some changes are good, some are bad, and some are neither good nor bad. Pollution is a change in the environment that can influence the health, survival, or activities of organisms, including humans.
Some environmental changes occur slowly.
Science and Technology in Local Challenges Science and technology have greatly improved food quality and quantity, transportation, health, sanitation, and communication. Use appropriate tools and techniques to gather, analyze, and interpret data. Develop descriptions, explanations, predictions, and models using evidence. Recognize and analyze alternative explanations and predictions. A substance has characteristic properties, such as density, a boiling point, and solubility, all of which are independent of the amount of the sample.