The Astronomical Object in Our Sky Which Plays the Most

question 67

Multiple Choice

The astronomical object in our sky which plays the most fundamental role in our lives is the

• A) Sun
• B) Moon
• C) nearest star
• D) most massive planet in our solar system, Jupiter

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Definitions:

Isotonic

A term used to describe a solution that has the same solute concentration as another solution, resulting in no net movement of water across a semipermeable membrane.

Hypertonic

Describes a solution with a higher solute concentration compared to another solution, causing cells to lose water by osmosis.

Methane Combustion

The chemical reaction in which methane gas reacts with oxygen to produce carbon dioxide, water, and energy.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.