On the average, the tropopause is highest above the surface over the ______.

A - arctic circle
B - North Pole
C - Antarctic circle
D - South Pole
E - equator


E - equator

Environmental & Atmospheric Sciences

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Evidence of the solar wind on Earth is the

A) meteor showers in the upper atmosphere. B) solar sunspots, seen with care by the naked eye. C) preponderance of hurricanes at certain latitudes. D) higher ocean tides in winter. E) Aurora Borealis.

Environmental & Atmospheric Sciences

Islam

A) began within a few decades of the death of Jesus. B) originated in present-day Saudi Arabia. C) holds that Jesus was a false prophet. D) says that there will be many more true prophets in the future. E) has never had a foothold in Europe.

Environmental & Atmospheric Sciences

Water is 88.88% oxygen by mass. Oxygen is exactly what a fire needs to grow brighter and stronger. So why doesn't a fire grow brighter and stronger when water is added to it?

A. The oxygen is chemically bound to hydrogen atoms. B. Oxygen in water is already "reduced" from the hydrogen atoms, so this oxygen atom no longer has a great attraction for additional electrons. C. Oxygen in water is completely different from oxygen O2, which is what is required for combustion. D. all of the above

Environmental & Atmospheric Sciences

What is the most common way in which sinkholes form?

A. the roof of a cave collapses B. a rising dome of salt finally reaches the surface C. a small explosion of methane gas from coal beds D. a small explosion of CO2 gas from dissolving limestone

Environmental & Atmospheric Sciences