Water Chemistry Questions & Answers Questions And Answers 100% Verified A+ Guaranteed

Give an example of water and cohesion. {Ans: •cohesion is responsible for the transport of water up a tree & throughout the branches & leaves •cohesion & surface tension make water droplets possible}Why is groundwater important? Can it become polluted by surface activities? {Ans: •source of much of our drinking water •yes, groundwater can become polluted}What is dissolved oxygen? Why do aquatic ecosystems need it? {Ans: •dissolved oxygen- the amount of oxygen available in water •because they need it to survive (breath underwater)}What is water pollution? {Ans: •contamination of water bodies like lakes, rivers, oceans, & groundwater caused by human activities •indicates that a sufficient amount of pollutant has been added to cause some damage to animal or human life}Where does excess sediment in water come from? {Ans: • occurs when vegetation is removed (crops, forests), allowing the topsoil to be eroded into rivers & the ocean}Where is Dinosaur Valley State Park and when did it become a National Natural Landmark? {Ans: •Dinosaur Valley is near Glen Rose, TX •it became a National Natural Landmark in 1969}