Which Process Forms A'a Lava Formations

question 69

Multiple Choice

Which process forms a'a lava formations?

• A) Very thick lava squeezes out in large mounds.
• B) Thin lava runs quickly over a large area.
• C) Lava stops flowing while it is still hot and forms ropes.
• D) Lava continues flowing after a crust forms.

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Definitions:

Closed System

A physical system that does not exchange matter with its surroundings, though it may exchange energy.

Penetrating Radiation

Radiation that can penetrate through substances and materials, potentially causing ionization of atoms.

Gamma

A type of high-energy electromagnetic radiation, often associated with nuclear reactions and certain types of radioactive decay.

Ionizing Particles

Subatomic particles that carry enough energy to detach electrons from atoms or molecules, thereby ionizing them.