8 Read this sentence from Paragraph 2 of the passage.
Congressional legislation passed between 1916 and 1925 enabled construction of a national
highway system of which Route 66 would become the primary east-west artery,
What does the metaphorical use of artery MOST LIKELY suggest?
A
a structure of roads resembling an aspect of human activity
B. O a convenient arrangement for conducting the flow of traffic
c. a vital method for transporting goods and services
D.
a natural connection linking separate locations

Read the sentences. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level. lower points may exist. which choice correctly uses the subordinating conjunction “although” to combine the sentences? the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level, although lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level. although lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level although, lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level; although lower points may exist.