The equation for photosynthesis is 6H2O (water) + 6CO2 (carbon dioxide) + Light Energy → C6H12O6 (glucose) + 6O2 (oxygen). When first discovered, scientists were trying to decide if the oxygen in the product came from carbon dioxide or water. Which statement describes how scientists traced the path of oxygen? They used a radioactive isotope and tracked it with a Becquerel counter. They used a radioactive isotope and tracked it with a Geiger counter. They used a stable isotope and tracked it with a Becquerel counter. They used a stable isotope and tracked it with a Geiger counter.

An example of stable isotopes is 14-C and 2-H. These types of isotopes have an atomic decay that leaves less radioactive material behind, hence safe for laboratory use and used without harming the normal processes of life being investigated. Bq is the unit preferred for this type of radioactivity.

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OlanmaE OlanmaE · Answer 2 · 2022-01-31T18:51:39+01:00

The statement that describes how scientists traced the path of oxygen is: They used a stable isotope and tracked it with a Becquerel counter.

What is a stable isotope?

Stable isotopes refer to elements that have the same number of protons and varying number of neutrons. Carbon 12 and 13 are examples.

To trace the path of oxygen in the photosynthetic pathway, scientists studied the carbon 3 and 4 photosynthetic pathways. Different grasses have various ways of utilizing the metabolic pathways.

The Becquerel counter was used to track the various grasses and the photosynthetic pathways that they follow. That way, the path of oxygen was traced.

Learn more about stable isotopes here:

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