Evaluate the Expression $- | - 20 |$ A) 20
B) 0
C)

question 369

Multiple Choice

Evaluate the expression.
- $- | - 20 |$

• A) 20
• B) 0
• C) \(- 20\)
• D) \(\pm 20\)

Grasp the theory of plate tectonics and continental drift, including evidence and impacts.

Comprehend the relationship between volcanic activities, atmospheric changes, and climate impacts.

Recognize the adaptations and diversifications of life forms across different geological periods.

Identify the influences of glaciations on different groups of organisms.

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Definitions:

Ethanol

A two-carbon alcohol (C2H5OH) commonly used as a solvent, fuel, and in alcoholic beverages.

Methylhexene

An alkene with a methyl group and a hexene (six carbon linear chain with a double bond) component in its structure.

Elimination

A type of chemical reaction where elements are removed from a compound, resulting in the formation of a double or triple bond.

Substitution

A chemical reaction where one atom or group of atoms in a molecule is replaced with a different atom or group of atoms.