Answer:
The amount of oxygen in the atmosphere would decrease.
Explanation:
If a massive toxic spill kills off half the population of photosynthetic plankton in the ocean. That would mean that only half of the original population of plankton will remain. Photosynthetic plankton consumes carbon dioxide from the atmosphere during photosynthesis to produce energy and releases oxygen.
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When a person see a cell with blue fills of varying lengths representing the values, the cells most likely have data bars applied to them.
<h3>What are Data bars?</h3>
Data bars are known to be a kind of conditional formatting that alters based on the data that is said to been shown.
The bigger the number, the fact still remains that the longer the bar that appears in a cell. They often do look like an advanced feature but they are said to be easier to input the data bars to a spreadsheet in Excel using few clicks.
Learn more about data bars from
brainly.com/question/26465374
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