Which of the Following Variables Would Be the Easiest to Control

question 44

Multiple Choice

Which of the following variables would be the easiest to control?

• A)atmospheric air pressure
• B)a teenager's diet
• C)amount of antibiotic added to a bacterial culture
• D)political opinion

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Definitions:

Neutrons

Subatomic particles found in the nucleus of an atom, having no electrical charge and a mass slightly greater than that of protons.

Protons

Positively charged subatomic particles found in the nucleus of an atom, contributing to the atom's mass and defining the element's atomic number.

Electrons

Electrons are subatomic particles with a negative electric charge, found in all atoms and acting as the primary carrier of electricity in solids.

Positive Ions

Atoms or molecules that have lost one or more electrons, resulting in a net positive charge.