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You can quickly add any paper to your favourite. Cool!Slāpekļa cikls
Presentations for secondary school15
Problēmas aktualitāte Latvijā Latvijā slāpekļa piesārņojums ir izteikts blīvi apdzīvotajos rajonos, kur ir daudz transportlīdzekļu. Mūsā slāpekļa piesārņojums pārsniedz noteikto ...
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English Speaking Countries
Research Papers for secondary school14
Introduction I chose this project because it is interesting to know some things about English speaking countries. With this project I want to present the all-important things ...
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How to Maintain/Improve Soil Fertility for Good Yields
Summaries, Notes for secondary school1
Soil over time is compacted, and walking through the soil contributes to soil compaction. Plant required for the normal development of the nutrients, moisture and a very important ...
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