Slides are held in place on a microscope with stage clips
Answer: Carbon Dioxide, Nitrogen, Argon, and oxygen.
Explanation: Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements.
Bacteria can cause many infections such as pneumonia, wound infections, bloodstream infections, and also STD's.
