Calderas are formed when ____. A)low-viscosity magma flows out ...

[Diane]

Calderas are formed when ____.
 A)low-viscosity magma flows out into very large areas and cools
 B)pyroclastic flows mix with lava flows
 C)the volcanic pipe is plugged and the increase in pressure causes a huge explosion
 D)part of a magma chamber drains and the mountain's summit collapses into the vacated space below
 E)large explosions at the base of a volcano cause the volcano to collapse

Question 2

What are prokaryotic organisms?

[tashiedavis420]

Answer to Question 1

D

Answer to Question 2

Prokaryotic organisms are unicellular organisms that lack a nucleus.

[Diane]

Thanks for the timely response, appreciate it

[jordangronback]

YES! Correct, THANKS for helping me on my review