What Do We Mean by Accretion in the Context of Planet

question 164

Multiple Choice

What do we mean by accretion in the context of planet formation?

• A) The growth of planetesimals from smaller solid particles that collided and stuck together
• B) The formation of moons around planets
• C) The solidification of ices, rocks, and metal from the gas of the solar nebular
• D) The growth of the Sun as the density of gas increased in the center of the solar nebula

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Definitions:

Deep-breathe

The practice of taking slow, deep breaths to maximize lung function and improve oxygen levels in the blood, often used in respiratory therapy.

Intubated

The insertion of a tube into the trachea to maintain an open airway, deliver oxygen, administer medications, or remove secretions.

Ventilator

A medical device that supports breathing by moving breathable air into and out of the lungs.

Sternal Notch

The visible dip at the top of the sternum between where the collarbones meet at the base of the neck.