Tutor profile: Matthew Z.
Mediators were standing by, prepared [A. to intervene] in the labor dispute [B. even though] both sides [C. had refused] earlier offers [D. for] assistance.
D. "offers for assistance" is unidiomatic, and the answer is therefore (D). Should be offers of assistance. or offers to assist
Subject: Environmental Science
Which of the following is characteristic of most terrestrial biomes? A. annual average rainfall in excess of 250 cm B. a distribution predicted almost by rock and soil patterns C. clear boundaries between adjacent biomes D. vegetation demonstrating stratification E. cold winter months
D. Vegetation demonstrating stratification
Subject: US History
What idea did Stephen Douglas's Freeport Doctrine support?
Popular sovereignty and the Dred Scott decision were compatible because states could in effect exclude slavery by refusing to protect the property of slaveowners.
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