Phosphorus is carried in the rain that was evaporated from lakes.
Human use of fertilizers release phosphorus into the groundwater.
Phosphorus is transpired.
According to the context, phosphorus may enter into the phosphorus cycle by humans that use fertilizers into the groundwater.
It is the circuit that describes the movement of phosphorus within a given ecosystem.
Thanks to terrestrial water currents and the water cycle, part of the phosphates are stored in seas and oceans, fertilizers provide excellent nutrition to the soil, this is washed by rainwater or irrigation, draining into water deposits , rivers or the sea.
Therefore, we can conclude that according to the context, phosphorus may enter into the phosphorus cycle by humans that use fertilizers into the groundwater.
Learn more about phosphorus cycle here: brainly.com/question/15020567
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The most common form of entry of the phosphorus is by human use of the fertilizers which is released into the groundwater.
Most of the fertilizers being used in agriculture contains nitrogen and phosphorus which is carried to the aquatic ecosystem through surface runoff. When the tropical rainforest are cut down by humans and fertilizers are being used in large amounts the nutrients stored in plants or rocks are washed by the heavy rains and they reach groundwater or other water bodies. Therefore, the humans alter the natural phosphorus cycle majorly in several mentioned ways.
Dichotomous keys might seem difficult because they require accurate observations and understanding of specific biological vocabulary. However, with practice, usage of dichotomous keys can become easier. It's similar to learning a new language.
Dichotomous keys might seem challenging because they require a high level of attention to detail and understanding of specific biological terminology. However, with practice, they become easier to use. A dichotomous key is a tool used in biology to identify an unknown organism by going through a series of choices that lead the user to the correct name of a given item.
To correctly use a dichotomous key, you must carefully observe the organism in question and make accurate observations. Then, you follow the key, making decisions based on your observations. This often involves detailed, specific biological vocabulary and precise measurements which some students may initially find overwhelming.
However, remember that with practice and usage, becoming proficient with dichotomous keys is completely achievable. It's essentially like learning a new language! Once you get the hang of it, it can be a valuable tool in your biological studies.
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