How do lava tubes form?

What will be an ideal response?


Lava tubes form by basaltic flows cooling on their tops, forming an insulated cave through which magma beneath continues to flow. Eventually the magma runs out, leaving behind the solid roof—this is now a hollow tube formed by lava.

Environmental & Atmospheric Sciences

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Tectonic foliation forms when grains flatten, rotate, or grow so that they align parallel with one another.

a. true b. false

Environmental & Atmospheric Sciences

List seven things you can do to influence environmental policy

What will be an ideal response?

Environmental & Atmospheric Sciences

Most of the core area of Australia is located in the:

A) northwest
B) northeast
C) southwest
D) southeast
E) Outback

Environmental & Atmospheric Sciences

What types of structures are shown in this photograph?

A. joints B. synclines C. reverse faults D. anticlines E. normal faults

Environmental & Atmospheric Sciences