A freight train rolls along a track with considerable momentum. If it rolls at the same speed but has twice as much mass, its momentum is

A) zero.
B) doubled.
C) quadrupled.
D) unchanged.


B

Environmental & Atmospheric Sciences

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A conglomerate that is formed by glacial processes is called ____

a. glacial striation b. tillite c. erratic d. glacial duen e. snowball Earth

Environmental & Atmospheric Sciences

What is a fjord?

A) A broad, protected channel B) A deep, narrow bay C) The submerged limit of marine erosion D) A retreating glacier

Environmental & Atmospheric Sciences

Which of the following amino acids will exist as a -2 ion at very high pH?

A) arginine B) glutamic acid C) isoleucine D) none of these

Environmental & Atmospheric Sciences

Suture zones in continents mark old sites of mantle plumes.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences