Which of the following is part of natural capital but not specifically ecosystem capital?

A) Solar energy used to drive photosynthesis throughout the biosphere
B) Coal and oil reserves
C) Pollination of orange trees by honeybees
D) The genetic diversity of all plants and animals used in modern agriculture


B

Environmental & Atmospheric Sciences

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The rock that has undergone the greatest extent of metamorphic change is

A. schist. B. shale. C. gneiss. D. slate.

Environmental & Atmospheric Sciences

Dunes that form when vegetation cover is broken by deflation and the dune tips point upwind are ____

A)longitudinal B)transverse C)barchan D)parabolic E)beach

Environmental & Atmospheric Sciences

Read the following passage taken from http://www.nwrc.usgs.gov/about/5-year-plan.htm.Think about science as a process as you read the excerpt and answer this question."Invasive Species - Most U.S. invasive species are found in aquatic and wetland environments. Forestry, fisheries, navigation, recreation, public water supplies, and public health are among the affected sectors. Loss of native biological diversity because of invasive species constitutes one of the greatest long-term potential impacts affecting the national parks and national wildlife refuges in the coastal zone. In addition, changes in ecosystem characteristics caused by invasive species raise important questions about a wide variety of coastal issues including alteration of fish and wildlife habitat, impacts on restoration

efforts, and the need for adjustments in management plans.Water sources for restoration projects often contain invasive species. This is especially true for the Mississippi River and coastal water bodies that are subjected to the spread of invasive aquatic organisms that arrive in the ballast waters of international vessels. Organisms such as the zebra mussel have serious impacts on the ecology of receiving waters, especially on native freshwater bivalves found there.Scientists, in collaboration with land managers, have initiated several projects that address invasive species problems in the Gulf of Mexico coastal region. Most of these current projects involve Chinese tallow, nutria, and cogon grass, but there are numerous other species of concern to wetland and coastal managers. Scientists will expand their invasive species studies in the coastal zone and the Lower Mississippi Valley to address the following National Program goals: understanding the pathways of introduction, assessing and reporting the abundance and spread of invasive species, and assessment of the effects of invasive species on ecosystem properties."What hypothesis related to wetland restoration is presented here? A. There are projects to monitor invasive species in wetlands. B. There are invasive species in wetlands. C. We need to better understand wetland invasive species.

Environmental & Atmospheric Sciences

The stars Procyon and Betelgeuse both appear equally bright to Earthbound viewers. Yet Betelgeuse emits 5000 times more light than Procyon. Why do they appear to be equally bright?

A. because Betelgeuse is much farther than Procyon B. because Procyon is superhot C. because Betelgeuse lies in the same plane of Earth's orbit D. because Betelgeuse is undergoing fission, not fusion

Environmental & Atmospheric Sciences