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Annual Forest Edge Density by Land Use Capability Class, Chorotega Region, Costa Rica
Due to the Chorotega region’s accessibility, various types of forested areas were converted to cattle pasture as rising international meat prices drove a cattle ranching boom in the 1960s and 1970s. Juan Pablo Arroyo-Mora and colleagues used historical aerial photography and remote sensing data to track fragmentation metrics across different land use capability classes (categories that indicate possible uses of forest land). One such metric, edge density, can be used to indicate the regularity of forest patch sizes, with decreases in edge density suggesting a trend towards uninterrupted forest patches with more regular shapes. The team found a range of edge density levels, from lows of around 80 meters per hectare or less in the 1960s and 1970s for all classes, to a high in 1986 of approximately ______
Which choice most effectively uses data from the graph to complete the assertion?
Millions of Metric Tons of Copper Mined in 1995 and 2020
| Country | 1995 | 2020 |
|---|---|---|
| Poland | 0.38 | 0.39 |
| Kazakhstan | 0.26 | 0.55 |
| Chile | 2.49 | 5.73 |
| United States | 1.85 | 1.20 |
A student is researching copper mining in several countries in 1995 and 2020. Consulting the table, the student finds that the country that mined the smallest amount of copper in 1995 was ______
Impact of Three Key Industries on Oklahoma Economy in 2017
| Industry | Approximate total contribution by industry | Number of people employed by industry | Average contribution per employee by industry |
|---|---|---|---|
| Construction | $6,797,300,000 | 77,247 | $87,994 |
| Manufacturing | $16,707,500,000 | 128,122 | $130,403 |
| Tribal economic activity | $7,312,400,000 | 51,674 | $141,510 |
The nearly forty tribes located in Oklahoma, including the Osage Nation and the Seminole Nation, operate numerous businesses, employ tens of thousands of people, and generate billions of dollars in revenue. A student in an economics class is researching the tribes’ collective activity as a single industry. The student wants to compare that industry’s role in Oklahoma in 2017 with the roles of other industries in the state. Looking at a table with information about three industries, the student finds that compared with the other two industries, tribal economic activity ______
| Tribal nation | Location | Area (square miles) |
|---|---|---|
| White Mountain Apache Tribe | Arizona | 2,631 |
| Crow Tribe | Montana | 3,606 |
| Leech Lake Band of Ojibwe | Minnesota | 1,311 |
| Chickasaw Nation | Oklahoma | 7,648 |
| Cheyenne River Sioux Tribe | South Dakota | 4,419 |
A citizen of the Leech Lake Band of Ojibwe is a student
in a geography class. The student wants to compare the total area covered by
her tribal nation in Minnesota with the total areas covered by certain tribal
nations in other states. Looking at the table, she finds that the area of the
Leech Lake Band of Ojibwe is 1,311 square miles, while the area of the White
Mountain Apache Tribe in Arizona is ______.
Many plants have leaves that are larger on one side of their long central axis than the other: a phenomenon known as asymmetrical orientation. University of California, Berkeley biologist Giera Martinez and colleagues examined several species of grapevine and closely related plants, which have leaves that grow in pairs, to see if both leaves in a pair tend to be oriented toward the same side (that is, have more tissue on the same side) or not. They found that opposite-side orientation was much more common than same-side orientations in the Amur grape, for example, approximately_______