Organisms that share the same feeding level (e.g. primary producers, primary consumers, secondary consumers, etc.) are said to be at the same

A) food web.
B) niche order.
C) trophic level.
D) food pyramid.


C

Environmental & Atmospheric Sciences

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Since the industrial revolution, greenhouse gas emissions from human activity consist mostly of

a. carbon dioxide. b. methane. c. nitrous oxide. d. hydrochlorofluorocarbon HFC-23.

Environmental & Atmospheric Sciences

________ are the most prominent erosional features created by waves

A) Beaches B) Spits C) Estuaries D) Headlands E) Barrier islands

Environmental & Atmospheric Sciences

Territoriality is an important form of ________ for many animal species.

A. Intraspecific competition B. Resource partitioning C. Symbiotic behavior D. Interspecific competition E. Commensalism

Environmental & Atmospheric Sciences

In learning about chemical reactions involving geologic materials, keep in mind the differences among elements, minerals, and rocks

For each word listed below, indicate whether it refers to an element, a mineral, or a rock. If it refers to a mineral, list the elements that compose the mineral. If it refers to a rock, list the common minerals that compose the rock, and the elements that compose each mineral. silicon quartz granite basalt iron hematite calcium calcite limestone halite rock salt biotite aluminum kaolinite feldspar sandstone What will be an ideal response?

Environmental & Atmospheric Sciences