|Question 7Verbal

Source Texts

Text
Text 1
Oil extraction and other human activities are sources of atmospheric methane (CH), but, as Donald Wuebbles and Katherine Hayhoe have shown, so too are naturally occurring emissions, such as those from termite mounds. This biogenic CH is challenging to track given natural sources' variability and spatial diffusion, but one promising approach is to use CH flux data from extant monitoring infrastructure as proxies for CH fluxes in unmonitored areas.

Text 2
Sparkle Malone and colleagues examined the United States' network of eddy covariance (EC) towers—the equipment
Based on the texts, how would Malone et al. (Text 2) most likely respond to the claim in the underlined portion of Text 1?
By disputing that biogenic CH4 fluxes from unobserved areas can be reliably derived from observed fluxes
A
By disagreeing about the importance of quantifying biogenic CH4 fluxes
B
By challenging the assumption that there are significant biogenic CH4 fluxes that existing CH4 monitoring infrastructure fails to capture
C
By arguing that existing monitoring technology is not sensitive enough to detect biogenic CH4 fluxes
D