Science
A. studies the past to predict the future.
B. is a human effort to discover how the physical world works by making observations and measurements and carrying out experiments.
C. is best described as a collection of facts found through using scientific methods.
D. is supported by small amounts of evidence.
E. is a mysterious process that can only be understood by experts.
Answer: B
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Assume a hurricane in the North Atlantic is travelling toward the north at 25 km/h and its average wind speed is 180 km/h. In this scenario, what is the wind speed on the eastern side of the hurricane?
A. 180 km/h B. 205 km/h C. 230 km/h D. 155 km/h
A bag of groceries has a mass of 10 kg and a weight of about
A) 1 N. B) 10 N. C) 100 N. D) 1000 N. E) more than 1000 N.
Which of the following is true for a nuclear fission reactor?
A. The coolant transfers heat away from the reactor. B. The control rods increased the number of neutrons present. C. A moderator causes neutrons to speed up. D. The fuel actually ends up producing additional fuel.
?Match the term with the most appropriate description.
A. an example of a species using resource partitioning B. an example of a prey species that exerts a selective pressure on lion and cheetah populations C. an example of a predator that uses camouflage D. use behavioral strategies to scare off predators