Case-Based Critical Thinking Question

question 64

Multiple Choice

Case-Based Critical Thinking Question
Tyler has been helping his friend Wes learn the website design business.
Wes wants the header element of his web page to stay at the top of the page at all times, even when users scroll the page. In this case, Tyler advises him to use ____ positioning.

• A) absolute
• B) fixed
• C) fluid
• D) relative

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Definitions:

MS

Mass spectrometry, an analytical technique used for measuring the mass-to-charge ratio of ions to identify and quantify molecules in a sample.

NMR

Nuclear Magnetic Resonance, a spectroscopic technique that exploits the magnetic properties of certain atomic nuclei to provide information about the structure, dynamics, reaction state, and chemical environment of molecules.

Unknown Compound

A substance whose chemical identity is not yet determined or disclosed, often a focus in analytical and synthetic chemistry research.

Proton Decoupled

A technique in NMR spectroscopy where the coupling between nuclear spins is removed, often leading to simpler spectra.