OASIS
发表于 2025-3-28 17:30:31
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pulse-pressure
发表于 2025-3-28 19:13:42
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armistice
发表于 2025-3-29 01:11:40
Aquatic Communities as Indices of Pollution,ompose detritus that enters the system; primary producers that fix the sun’s energy; herbivores — animals that feed upon the primary producers; carnivores, which feed upon herbivores; and omnivores which may feed upon carnivores, herbivores, and primary producers.
GROWL
发表于 2025-3-29 03:28:30
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使混合
发表于 2025-3-29 10:17:01
Developing a Soil Quality Index,d use of chemical amendments in crop production or certain other land uses. Present concerns are mostly related to use of soluble fertilizers, including nitrogen and phosphorus; applications of weedicides and pesticides; and distribution of industrial and domestic wastes that may also include heavy metals in significant concentrations.
营养
发表于 2025-3-29 14:14:17
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ineptitude
发表于 2025-3-29 16:01:06
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性行为放纵者
发表于 2025-3-29 22:50:00
Plants as Indicators of Air Quality,Let me start with two opposing syllogisms..The responses of plants to air pollutants are characteristic of the toxicant. Plants are very sensitive to air pollution. Therefore, plants are excellent indicators of the levels of air pollution.
Musket
发表于 2025-3-30 03:50:00
Indices of Air Quality,We have heard much as to the need and utility of environmental indicators and indices. Without them, neither the lay public nor the scientific community can make intelligent decisions with regard to priorities of programs toward environmental improvement.
欲望
发表于 2025-3-30 06:30:33
https://doi.org/10.1007/978-1-4684-1698-5development; ecology; environment; environmental pollution; formation; research; soil