Which Is the Best Description of a Mid- Ocean Ridge

question 52

Multiple Choice

Which is the best description of a mid- ocean ridge?

• A) 50- 200 metre- wide rough mounds of metal sulphides that encircle the globe continuously for more than 70,000 kilometres
• B) narrow ridges 5- 10 km wide, 3- 4 kilometres high, and 10- 50 km long with active erupting volcanoes every 1- 2 kilometres of ridge length
• C) 1000 to 4000 kilometre wide, block faulted regions of sparsely sedimented, basaltic seafloor raised 2- 3 kilometres above the regional abyssal plains
• D) thick sequences of folded and faulted sedimentary rocks pushed up 500- 1000 metres above the regional seafloor

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Definitions:

Delaying First Intercourse

A public health strategy aimed at postponing sexual debut to reduce risks of STDs, unintended pregnancy, and emotional distress.

Blended Family

A family unit composed of a couple and their children from this and all previous relationships.

Power

The capacity or ability to direct or influence the behavior of others or the course of events.

Clarify

To make a statement or situation less confused and more comprehensible by explaining or resolving uncertainties.