Gregory is studying Lake Mairead. The lake has clear water and supports a healthy community of algae, fishes, and other aquatic organisms. Gregory hypothesizes that phosphorus is a limiting nutrient in the lake. Which experimental result provides the strongest evidence in support of the hypothesis? A. Filtering and removing phosphorus from a sample of lake water causes an increase in the growth of algae in the sample. B. Adding phosphorus-rich fertilizer to a sample of lake water causes no observable effect. C. Adding phosphorus-rich fertilizer to a sample of lake water causes an increase in the growth of algae. D. Measurements show that phosphorus is more concentrated in bottom sediments than in the lake water.
Answers: 1
Biology, 22.06.2019 10:30, mervesena01
Write the balanced chemical equation forphotosynthesis.
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Biology, 22.06.2019 18:30, Annabel9554
There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell
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Gregory is studying Lake Mairead. The lake has clear water and supports a healthy community of algae...
Mathematics, 09.12.2020 21:40
Mathematics, 09.12.2020 21:40
Mathematics, 09.12.2020 21:40
Mathematics, 09.12.2020 21:40
Mathematics, 09.12.2020 21:40
Mathematics, 09.12.2020 21:40