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An earth-sheltered house is built below grade or completely underground. These homes are less susceptible to the impact of extreme outdoor air temp...

The Landsat Program provides the longest continuous space-based record of Earth's land in existence. Since 1972, Landsat satellites have collected...

A good night's sleep consists of four to five sleep cycles. Each cycle includes periods of both deep sleep and rapid eye movement (REM) sleep. As t...

The passage implies that Voltaire(A)had ideas that got him into trouble(B)avoided controversy at all cost(C)was a well-respected thinker(D)preferre...

This passage implies that European medical practice in the early 1700s was(A)surprisingly safe(B)largely experimental(C)based on Indian and Chinese...

This passage implies that peer-to-peer loans are(A)not a safe way of borrowing money(B)an outdated way of borrowing money(C)considered by some to b...

The details in the passage suggest that Rikki-tikki is(A)cold-hearted and expressionless(B)experienced in fighting cobras(C)overcome with fear and...

Which phrase best describes the conflict Rikki-tikki has with Nag and Nagaina?(A)engaging in a physical battle(B)making a difficult decision(C)stan...

What effect do the words "hiss," "whizzed," and "chattered" have on the passage?(A)They allow the reader to visualize the action.(B)They provide au...

Born into a theatrical family in 1778, Joe Grimaldi was a theater superstar who rose to national prominence in 1806 playing a clown in the pantomim...

The United States destroyed its six-ton stock of confiscated elephant ivory, sending a clear message that the nation will not tolerate the wildlife...

Most people experience occasional dizziness, but if the feeling persists or interferes with daily life, it could be a sign of a balance disorder. A...