What type of rock forms from the solidification of molten material?
A) sedimentary
B) igneous
C) clastic
D) foliated
E) metamorphic
B
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Mediterranean climates have the least rainfall in the season when potential evapotranspiration (POTET) is the highest
Indicate whether the statement is true or false.
According to the World Health Organization (WHO), ____ people face health problems because of undernutrition and another ____ people face health problems because of overnutrition.
A. 0.5 million; 1 million B. 1 million; 1.6 million C. 0.6 billion; 1 billion D. 795 million; 2.1 billion E. 1.6 billion; 2 billion
Cigarette smoking is the world's most preventable cause of premature death among adults, resulting in one death every ____ seconds.
A. 5 B. 30 C. 60 D. 120 E. 180
The chain of processes in a system that operate in a repeating or changing cycle is called:
a. positive feedback b. negative feedback c. a steady state d. a feedback loop