Which of the following best describes the composition of the earth's core?
A. It contains both fluid rock and solid rock.
B. It is only fluid rock.
C. It is made entirely of solid rock.
D. It is hollow and full of air.
Answer: A
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Most of the energy used worldwide comes from renewable energy sources.
Answer the following statement true (T) or false (F)
The Crude Birth Rate (CBR) is NOT affected by which of the following?
A) level of economic development B) opportunities for women C) religion and other cultural practices D) the availability of birth control E) level of economic development, opportunities for women, religion and other cultural practices, and the availability of birth control
Rocks that are now tilted were deposited ____________________. Fill in the blank(s) with the appropriate word(s)
Despite the high-level of biodiversity, this biome has infertile soils, principally Oxisols, to which the vegetation has adapted roots systems to capture nutrients from litter decay at the soil surface
A) boreal and montane forest B) temperate rain forest C) tropical rain forest D) midlatitude grasslands