Water pollution has many causes that include all of the following except a. oil and gas running off roads and parking lots when it rains b. sewage treatment plans c. fertilizers and pesticides

The outermost layer of the atmosphere which is the last layer between the earth's atmosphere and the outer space. A. Exosphere B. Thermosphere In the thermosphere, the temperature______as the altitude increases A. Decreses B. Increases C. Remain constant

QUESTION 2 Which is not a natural contaminant of water O A. Gases including nitrogen, oxygen, radon, non-metal oxides, and others B. Dissolved minerals including cations and anions. OC. Industrial Sewage. O D. Organic Matter such as Bacteria, microorganisms, and animal wastes. QUESTION 3 Eutrophication can cause O A. unwanted dense growth of plant life in lakes B. Increase in animal life in lakes O C. Increase the levels of oxygen in lakes OD. None of the above

How do contaminants transfer within an ecosystem or between ecosystems?

A parent witnessed his child who just ingested an old silvery coin. This is an emergency because there may be a resulting ______ poisoning: a. silver b. lead c. bromine d. zinc

If you were stranded in an island, you would not drink sea water to quench your thirst because A. One cup of seawater contains enough sodium to poison you B. Seawater is isotonic to your body fluids and you will absorb too much water C. Seawater is hypotonic to your body tissues and drinking it will cause you to lose water (dehydration) D. The salt in seawater causes hypertension and you could abruptly die of stroke E. Seawater contains toxic levels of iodine

1.      A 75-year-old man is given an infusion of lidocaine for the control of ventricular tachycardia. A dose adjustment is required. Which of the following parameters would be the most important in selecting a new infusion rate that is therapeutically effective but non-toxic?   A.    Bioavailability B.     Clearance C.     Glomerular filtration rate D.    Volume of distribution       1.      A 15-year-old girl has severe cramping pain that begins a few hours before the start of her menstrual flow. She says that the pain has occurred monthly for the past 9 months. She also complains of headache and of being very tired during the menstrual period. Which of the following is the most appropriate therapy?   A.    Acetaminophen B.     Celecoxib C.     Dexamethasone   D.    Ibuprofen

SOLUTIONS TO OVERCOME PLASTIC POLLUTION - Briefly explain how biodegradable addiction is one of the solutions to prevent plastic pollution in the environment.

How does vitamin C in peaches prevents Scurvy from spreading? (Explain thoroughly)

These modify the interfacial properties of substances. A. Surfactants B. Aerosols C. Nanotechnology D. Suspensio