Which of the following best matches the description?Period of time when plant material accumulated in swamps and was ultimately converted to coal.
A. OPEC
B. Carboniferous period
C. OECD
D. hydrogen fuel cell
E. fossil fuels
F. methanol
G. Industrial Revolution
H. gross domestic product
I. hunter-gatherer
J. compressed natural gas
Answer: B
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A city that emphasizes prevention of pollution, reduction of waste, and effective use of resources is called a(n) ____________________
Fill in the blanks with correct word
What type of estuary is characterized by rapid river flow and low tidal range?
a. Salt-wedge estuary b. Fjord estuary c. Partially-mixed estuary d. Tectonic estuary e. Well-mixed estuary
What important characteristic of water is the blue color attributed to?
A) The large oxygen atoms B) The covalent bonds C) Adhesion to other solids D) The hydrogen bonds
What is Gross National Income (GNI) and what are its shortcomings as an indicator of economic development and social well-being?
What will be an ideal response?