Author Question: A characteristic of shield volcanoes is the formation of a crater at the summit which occurs when: ... (Read 19 times)

student77 · **on:** Jul 27, 2018

A characteristic of shield volcanoes is the formation of a crater at the summit which occurs when:

A) the volcano erupts explosively.
B) the lava withdraws and the surface collapses.
C) the lava flows melt through the thin crust of the peak.
D) the underlying hot spot suddenly turns on.
E) the volcano is impacted by a large meteorite.

Question 2

The form of electromagnetic radiation most effectively blocked by a dark nebulae is ________.

Fill in the blank(s) with correct word