The dimly lit zone in which zooplankton and smaller fishes predominate is the ____.
A. abyssal zone
B. euphotic zone
C. estuary zone
D. bathyal zone
E. benthic zone
Answer: D
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The isotope lithium-7 has a mass of 7.0160 atomic mass units, and the isotope lithium-6 has a mass of 6.0151 atomic mass units. Given the information that 92.58 percent of all lithium atoms found in nature are lithium-7 and 7
42 percent are lithium-6, calculate the atomic mass of lithium, Li (atomic number 3). A) 7.0160 amu B) 6.942 amu C) 6.495 amu D) 13.031 amu
________ combine(s) with human factors to create an ideal environment for forest fires in Southeast Asia
A) ENSO B) Hurricane season C) Trade winds D) Apple plantations
Atoms are composed of ________, and compounds are composed of ________
A) molecules; atoms B) cells; protons, neutrons, and electrons C) protons, neutrons, and electrons; molecules D) protons, neutrons, and electrons; atoms
A cut-off meander is also known as
A. an oxbow. B. a floodplain. C. a delta. D. a drainage basin.