I'd go with the third one because the products of both of them are oxygen and carbon dioxide.
Answer:
D.
Explanation:
Plants take in CO2 and turn into Carbo.
That's the most efficient example
That substance was most likely parathyroid hormone.
<h3>What is a parathyroid hormone?</h3>
It should be noted that the parathyroid hormone is the hormone that is released to control calcuim levels in the blood.
In this case, this is illustrated as the blood calcium levels were above normal and the pathologist found cancer cells that produced a hormone-like substance.
Learn more about hormones on:
brainly.com/question/64686
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Ecosystems experience change through human activity and natural events. This is because human activity can impact changes in nature, like climate for example. As a result, ecosystems change in response to the change in nature or natural events, which was caused by human activities. They are interrelated so to speak.