<span>Greenhouse gases are so difficult to measure, because carbone dioxide, m</span>ethane, chlorofluorocarbons comes from multiple sources, some of which are relatively hard to measure.
For example, missions related to wetlands, deforestation, cattle, leakage from natural gas wells, storage facilities and distribution systems and because such leaks are highly variable and depend on factors such as well construction methods and maintenance systems for infrastructure.
Both have Colorless gas, External MSDS, Phase Behavior solid, liquid, and gas.
Answer:
i think it is b and a
Explanation:
because it gathers to gather but mass might change just because it it is dissolving. and phase change because it may not do anything
Answer:
Volcanoes absorbed water vapor from the atmosphere and made the planet very dry and difficult to live
on
