A rough surface for infrared waves may be polished for
A. light waves.
B. radio waves.
C. both of these
D. neither
Answer: B
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Ocean ridges form because ________
A) rocks bulge up in ridges along transform faults associated with the ridge B) they are submarine collisional mountain belts, forming submarine mountains that haven't yet risen from the sea floor C) they are a broad seafloor highland formed by sea floor spreading D) they are chains of volcanos, like the Hawaiian Islands, that form along hot spots
Propose a reason why a species would benefit by having genetic diversity
What will be an ideal response?
The following diagram shows a raster with its origin (0, 0) at the upper left corner. Suppose that the raster is used for a couple of 3-by-3 neighborhood operations. (1) What is the range statistic for (col. 3, row3)? (2) What is the majority statistic for (col. 3, row3)? (3) What is the variety statistic for (col. 3, row3)?1023201210122022312211213320122323102222130
What will be an ideal response?
In a west to east transect across the 98th meridian in the United States, which of the following is the CORRECT sequence of soil orders?
A) Alfisols, Mollisols, Ultisols B) Aridisols, Oxisols, Mollisols C) Aridisols, Mollisols, Alfisols D) Alfisols, Aridisols, Ultisols