Together, three natural elements make up 99% of the Earth's biomass. Which of the following is not one of those three elements?
A) oxygen (O)
B) hydrogen (H)
C) nitrogen (N)
D) carbon (C)
C
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When a copper and iron bimetallic bar is heated, why does the bar bend toward the iron?
A. Iron gets hotter before copper. B. Iron expands more than copper. C. Copper gets hotter before iron. D. Copper expands more than iron.
If a measured distance of 10 inches on a map represents an actual distance of 5 miles, what is the fractional scale of the map?
What will be an ideal response?
Land heats and cools more rapidly than the ocean because of its
A) lower specific heat when compared to the ocean. B) ability for land to retain heat better than the ocean. C) strong mixing through soil horizons on land. D) great potential for latent heat on land through evaporation.
A negative phase of the Indian Ocean Dipole (IOD) results in warmer than average surface waters at ________ and cooler than average waters at ________.
A. A; D B. A; C C. C; A D. C; B