The earliest rocks dated so far formed 3.8 billion years ago (BYA), and the earliest rocks with fossil bacteria formed _________ BYA.
Fill in the blank(s) with the appropriate word(s).
Answer: 3.5
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Which of the following religions has the weakest ties to its cultural hearth?
A. Islam B. Judaism C. Hinduism D. Christianity
A 2000-kg car experiences a braking force of 10,000 N and skids to a stop in 6 s. The speed of the car just before the brakes were applied was
A) 1.2 m/s. B) 15 m/s. C) 30 m/s. D) 45 m/s. E) none of the above
Terrorism differs from assassinations and other acts of political violence because
A) attacks are never well coordinated. B) attacks are aimed at military targets or political leaders. C) attacks are aimed at ordinary people. D) attacks use only personal and improvised weapons. E) attacks are typically made without regard for political goals.
Breakers that are high energy waves and form a tube or curl when they break are called:
a) surging breakers b) spilling breakers c) surfing breakers d) plunging breakers e) all of the above