The fish in the lake at the local park are dying, so a professor from the local college comes to investigate. First, she measures the dissolved oxygen because she wants to check for the ________
A) presence of bacteria B) influence of acid precipitation
C) presence of heavy metals D) possibility of eutrophication
D
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Complete the defining features matrix by checking the box of the feature used to identify the boundary. Select all that apply for an ocean-continent plate boundary.
Complete the defining features matrix by checking the box of the feature used to identify the boundary. Select all that apply for an ocean-continent plate boundary.
- High heat flow
- Youngest seafloor age
- Shallow earthquakes (0-30 km deep)
- Moderate depth earthquakes (30-300 km deep)
- Deep earthquakes (300+ km deep)
- Earthquakes get deeper in one direction
- There is a trench
- Seafloor get shallower
- There are high mountains
- There are volcanoes on land
- There is an island arc of volcanoes
- Plates move apart
- Plates move together
- Plates slide past one another
Slumps are characterized as
A) free falling through the air. B) material moving as a coherent block along a planar surface. C) rotational slides on curved surfaces. D) flowing as a high-viscosity liquid.
Which of the following is not true about the changing distribution of U.S. steel production?
A) Minimills have become widespread. B) Minimills have scrap metal inputs, and this allows them to be located near their market. C) Steel production has moved to locations abundant in heavy iron ore and coal. D) Minimills are generally limited to one step in the process. E) Proximity to market began to become more important than the traditional situation factor of proximity to inputs.
Which of the following is true of evapotranspiration in North America?
A) The lowest amounts occur in the Southwest and southern Texas. B) The lowest amounts occur in northern Canada. C) The highest amounts are received in the Mid west. D) The highest amounts are received in the U.S. Pacific Northwest.