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A. a land region on the earth’s surface covered by biological communities that group under the same climatic patterns like rainfall and temperature.
B. the descriptive and conceptual findings collected through questionnaires, interviews, or observation
C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
D. an element that remains unchanged or unaffected by other variables. It’s used as a benchmark or a point of comparison against which other test results are measured.
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Carbon Cycle
A. the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth.
B. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
C. a non-living part of an ecosystem that shapes its environment
D. a proposed explanation made on the basis of limited evidence as a starting point for further investigation.