Composite volcanoes are composed of the igneous rock type known as ____________________,
which forms from lava of ____________________ composition and viscosity Fill in the blank(s) with the appropriate word(s).
andesite, intermediate
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State the principle of fossil succession in your own words
What will be an ideal response?
Which of the following best describes a sustainable use of nonrenewable minerals?
a. recycle and reuse 60-80% of mineral resources b. stop focusing on population growth as a factor c. stop all mining of nonrenewable mineral resources d. reduce mining subsidies e. reduce mining subsidies and recycle and reuse 60-80% of mineral resources
The greatest surface warming is projected for which of the following regions during the next 100 years?
A. polar regions B. tropics C. middle latitudes D. equator
American cities in the northern United States, such as Chicago, Philadelphia, and Detroit, ________
A) grew very rapidly in the 19th and early 20th centuries B) have steadily lost population over the past 100 years C) have increased their rate of growth dramatically in the past 20 years D) have maintained a steady state population since the 1970s E) have always grown rapidly and continue to do so