College Level - scores 60 points. Common bacteria that are resistant to antibiotics can cause serious illnesses. Graduate Level - scores 80 points. Cosmologists use a discovery made in 1964 as evidence for the Big Bang theory on the birth of our universe. High School Level - scores 40 points.
Acids can land on surfaces through deposition by rain, as well as snow, fog, sleet, and particles.
Hydrochloric and nitric acids. Hydrochloric and carbonic acids. Phosphoric and carbonic acids. Sulfuric and nitric acids. Graduate level- scores 80 points.