Which of the following represents earth's high density, mostly iron silicate layer
Answer: mantle
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As they searched for previously unknown populations of the Carson Wandering Skipper, biologists wondered if hot springs were absolutely essential to its survival. This phase of the investigation is
a. finding out what is known and asking a question b. analyzing data and asking a question c. Asking a question and testing predictions d. accepting their hypothesis and analyzing data e. accepting their hypothesis and asking a question
What is the depth for the brittle-ductile transition?
a. 1~2 km b. 4~5 km c. 9~10 km d. 10 ~ 15 km
Most of the water supplied to homes is used ________
A) for recreation B) to wash, clean, and flush away undesirable materials C) for drinking D) to water house plants E) for cooking
What is the mass of a quarter pound hamburger, expressed in the metric system? [1 pound = 453.6 grams]
A) 113 mg B) 113 g C) 1814 g D) 0.1814 kg