11
practice testMultiple Choice

Practice Test

Question 11 • Earth and Space Science

Which site best supports the idea that sulfur-converting microbes directly influence biomass production in extreme environments?

Answer
A
Delta, because it has a high conversion rate at a moderate temperature.
B
Gamma, because it has the lowest sulfur conversion and biomass.
C
Beta, because it has the highest sulfur conversion rate and supports the most biomass.
D
Alpha, because it has the highest pressure but moderate biomass.

Explanation

To support a direct influence, choose the site where greater sulfur conversion aligns with greater biomass. Beta has the highest sulfur conversion rate and supports the most biomass, so it shows the strongest match between the two measures. Gamma has low values for both, but it does not provide as strong evidence as the site with the highest conversion and biomass.

AI-written and checked against the verified answer.

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