A __________ Point Represents a Fixed Position from Which Everything

question 8

Multiple Choice

A __________ point represents a fixed position from which everything in a field site is measured so that the precise "find spot" of each object can be relocated in the future.

• A) datum
• B) chart
• C) survey
• D) focus

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Definitions:

Ethene

A colorless flammable gas with a faint sweet and musky odor, the simplest alkene with the chemical formula C2H4, used as a petrochemical precursor.

Constitutional Isomers

Compounds that have the same molecular formula but differ in the connectivity of their atoms, resulting in different chemical structures.

Geometric Isomers

Molecules with the same structural formula but differing in the spatial arrangements of atoms or groups of atoms, due to restricted rotation around a bond.

Alkenes

Hydrocarbons containing at least one carbon-carbon double bond, part of the unsaturated hydrocarbons.