Why Do Scientists Believe There Was Once Liquid Water on Mars

question 12

Multiple Choice

Why do scientists believe there was once liquid water on Mars?

• A) Depositional landforms are seen on Mars,but not erosional landforms.
• B) Landforms such as river channels and sandbars are seen on Mars.
• C) Large depressions are seen on Mars that were once large lakes.
• D) Evidence of marine life has been found in the rocks on Mars.

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Definitions:

Inductive Destabilization

The destabilization of a molecule due to the transmission of charge through bonds, typically affecting reactivity and stability.

Resonance

A concept in chemistry where a molecule is represented by two or more structures to depict its electron distribution more accurately.

Friedel-Crafts Alkylation

A chemical reaction process that introduces an alkyl group into an aromatic ring, typically using an alkyl halide and a strong Lewis acid catalyst.

Limitations

Refers to the restrictions or constraints that may hinder progress or achievement in a certain context or system.