What type of eruption formed the small volcano in this photograph?





A) Fluid lava flows

B) Eruption of viscous lava

C) Lava fountain

D) Eruption column

E) Pyroclastic flow


C) Lava fountain

Environmental & Atmospheric Sciences

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In the industrial synthesis of acetic acid, methanol is reacted with carbon monoxide. The balanced equation for this reaction is: CH3OH(g) + CO(g) ? CH3COOH(l) If ethanol is present in excess, how many moles of CO(g) are required to produce 16.6 moles of acetic acid?

A) 8.30 B) 16.6 C) 28.0 D) 33.2

Environmental & Atmospheric Sciences

A ________ climate is semiarid, but not as dry as a desert—moist enough to sustain grasses and shrubs

A) humid continental B) steppe C) tropical rainy D) marine west coast

Environmental & Atmospheric Sciences

Explain positives and negatives of the British colonial period in Sri Lanka

What will be an ideal response?

Environmental & Atmospheric Sciences

Of the alcohols with the molecular formula C4H9OH, which has the lowest boiling point?

A) 1-butanol B) sec-butyl alcohol C) tert-butyl alcohol D) isobutyl alcohol

Environmental & Atmospheric Sciences