The Average American Child Spends __________ Hour(s) in "Screen Time

question 112

Multiple Choice

The average American child spends __________ hour(s) in "screen time" (watching television or using a computer) every day.

• A) one
• B) two
• C) three
• D) more than three

---

Definitions:

IR Absorption

The process where molecules absorb infrared light at specific frequencies, causing vibrational changes, used in spectroscopy for substance identification.

Carbonyl Stretch

Refers to the vibration of the carbon-oxygen double bond in the infrared spectroscopy region, often used to identify carbonyl-containing functional groups in organic compounds.

Characteristic Stretches

Specific vibrational movements observed in infrared spectroscopy, unique to various functional groups in a molecule.

Stretching Frequency

A term used in vibrational spectroscopy to describe the rate at which a bond between atoms vibrates, often measured in wave numbers (cm^-1).