Which of the following is not a fibrous protein?

A) actin
B) collagen
C) keratin
D) None, they are all fibrous proteins.


D

Environmental & Atmospheric Sciences

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An advantage of materials recovery facilities (MRFs) is that they

A. encourage a low throughput of garbage. B. have low operation and maintenance costs. C. eliminate the production of toxic ash D. do not emit carbon dioxide and methane. E. recover valuable materials for resale.

Environmental & Atmospheric Sciences

Liquid water at temperatures below freezing is termed ________.

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Examine the photograph above. What type of depositional feature is shown?

A) cross bedding B) alluvial fan C) esker D) drumlin

Environmental & Atmospheric Sciences

The main cause of civil strife in Rwanda stems from

A) antidemocratic values learned from the Germans. B) interference by South Africa. C) the Belgian colonial practice of favoring Tutsis. D) the legacy of superpower competition left over from the Cold War.

Environmental & Atmospheric Sciences