Question

define input of nutrients in biogeochemical cycle​

Answer 1

Explanation:

Atmospheric Input. Large quantities of nutrients are added to ecosystems from the atmosphere. This addition is done either through precipitation or by a number of biological processes. Carbon - absorbed by way of photosynthesis. Nitrogen - produced by lightning and precipitation.

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Answer 2

Answer:

Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.

Explore interactions between climate change and biogeochemical cycles.