1. lithosphere 2. asthenosphere 3. convection 4. pangaea 5. identical rocks were found on both sides of the Atlantic ocean. ancient fossils of the same species of extinct plants and animals are found in rocks of the same age but are on continents that are now widely separated
Answer:
Because some of the water will evaporate during the boiling process, the nitrate levels of water can actually increase slightly in concentration if the water is boiled. Mechanical filters or chemical disinfection, such as chlorination, DO NOT remove nitrate from water.
Explanation:
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Naturally by chemical reactions involving ultraviolet radiation
