Continental Crust Is Very Buoyant Compared with Oceanic Crust Because

question 79

Multiple Choice

Continental crust is very buoyant compared with oceanic crust because continental crust is

• A)predominantly composed of basaltic rock that contains many air bubbles from successive lava flows.
• B)predominantly composed of granitic rocks, whereas oceanic crust is composed of basaltic rocks.
• C)thinner than the oceanic crust, forming a thin upper skin on the oceanic crust below.
• D)very young and fresh.

---

Definitions:

Dreaming

A mental process that occurs during sleep, characterized by narratives or images that are often symbolic or nonsensical.

Night's Sleep

A period of sleep taking place during the night, important for physical and mental recovery and health.

Brain Waves

Electrical impulses in the brain that are visible on an electroencephalogram (EEG), indicative of different states of consciousness.

Sleep Stages

The different phases of sleep that a person goes through in a cycle, including REM (rapid eye movement) and various degrees of non-REM sleep.