Biology Forums - Study Force

Why are ultramafic volcanics rare in rocks that are much younger than Archean in age?

Question 2

Which statement about caves is false?
 A)They form underwater.
 B)They are formed by deposition of calcium carbonate.
 C)They form naturally and are open to the surface.
 D)The majority of caves are small.
 E)They are commonly found in regions with karst topography.

Question 3

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 4

What are prokaryotic organisms?

Question 5

What conditions are needed for the development of karst topography?
 A)humid climate
 B)arid climate
 C)carbonate bedrock at a shallow depth
 D)humid climate and carbonate bedrock at a shallow depth
 E)an artesian aquifer

Question 6

The three major types of volcanoes are ____.
 A)shield volcanoes, cinder cones, and lava domes
 B)shield volcanoes, cinder cones, and composite volcanoes
 C)cinder cones, composite volcanoes, and lava domes
 D)composite volcanoes, stratovolcanoes, and lava domes
 E)shield volcanoes, composite volcanoes, and stratovolcanoes

Question 7

What are heterotrophic organisms?

Content hidden

I hope they're paying you for this because all of them were correct :lol:

not really, just a volunteer... and you're welcome ;)