Halogens commonly exist as diatomic molecules (e.g., Cl2, F2).

Asthma is a chronic condition that causes inflammation and narrowing of the airways, leading to difficulty in breathing.

Antibiotics can cause a range of side effects, including nausea, headache, and diarrhea.

Fruits are a common source of dietary fiber, which is important for digestive health.

Fish oil is a rich source of omega-3 fatty acids, which are important for heart health and brain function.

Environmental changes can cause variations in measurements, leading to random errors.

Human reaction time can introduce variability in measurements, leading to random errors.

Coughing is a common symptom of COPD, often accompanied by mucus production and difficulty breathing.

Increased thirst is a common symptom of diabetes due to high blood sugar levels.

High fever is a common symptom of influenza, along with other symptoms like cough and body aches.

Nausea, often referred to as morning sickness, is a common symptom experienced during early pregnancy.

Unusual discharge is a common symptom associated with many sexually transmitted infections.

Unusual discharge is a common symptom associated with many sexually transmitted infections.

Bacteria are used in agriculture for various purposes, including as pesticides, fertilizers, and for nitrogen fixation.

Caffeine is primarily used as a stimulant to increase alertness and reduce fatigue.

Glycerol is used in food as a sweetener, preservative, and thickening agent, making it versatile in food applications.

Glycerol is used as a preservative, moisturizer, and sweetener in various products.

Ketones are commonly used as solvents, preservatives, and fragrances.

Microbes are used in agriculture for various purposes, including biopesticides and fertilizers.

Phenol is widely used as a disinfectant due to its antimicrobial properties.

Probiotics are beneficial bacteria that help improve gut health and can prevent infections.

PVC (Polyvinyl Chloride) is commonly used in the production of pipes due to its durability and resistance to corrosion.

Sulfur is used in fertilizers, explosives, and rubber production.

Transition metals are commonly used as catalysts in various chemical reactions.

Yeast is commonly used in bread making due to its ability to ferment sugars and produce carbon dioxide.

Plasmids are commonly used as vectors in gene cloning because they can replicate independently within a host cell.

Plasmids are commonly used as vectors to transfer genetic material into host cells in genetic engineering.

Homo sapiens is the correct example of binomial nomenclature, where the genus name is capitalized and the species name is in lowercase.

The correct expression for electric current is I = V/R, according to Ohm's law.

Cyclohexane is a cyclic hydrocarbon with a ring structure.