Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na
A) covalent, ionic, covalent
B) ionic, covalent, neither
C) neither, ionic, covalent
D) covalent, ionic, neither
D
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What is a reasonable interpretation for the flow event recorded by this hydrograph?
A) There were two pulses of runoff because there were two storms.
B) The drainage basin has several distinct parts.
C) One pulse could be due to snowmelt and the other to rain.
D) All of these are correct.
Projected climate change is likely to increase severe and prolonged drought, and expand desertification.
Answer the following statement true (T) or false (F)
A stimulus strategy is introduced by governments to
A) counter negative conditions of economic downturns. B) ensure TNC stock prices don't collapse. C) provide education funds in developed countries. D) provide health benefits to all citizens. E) promote research and development.
________ are former river valleys that were oriented parallel to the direction of ice flow and were scoured deeper by advancing glacial ice
A) Hanging valleys B) Paternosters C) Finger lakes D) Kettle lakes