What makes light absorption in diatoms more effective than just using chlorophyll?
A) Surface-to-volume
B) Microbial loop
C) Frustule perforations
D) Accessory pigments
D
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When examining a surface map, which of the following factors can be used to predict the movement of a surface low-pressure area?
A. orientation of the isobars behind a cold front B. orientation of the isobars in front of warm front C. movement during the previous two hours D. region of greatest pressure decrease
Which of the following is the net ionic equation for the reaction of the weak acid HC2H3O2 with the weak base NH3?
A) HC2H3O2(aq) + NH3(aq) ? NH4C2H3O2(aq) B) HC2H3O2(aq) + NH3(aq) ? C2H3O2-(aq) + NH4+(aq) C) H3O+(aq) + NH3(aq) ? NH4OH(aq) D) H3O+(aq) + C2H3O2-(aq) + NH3(aq) ? NH4+(aq) + C2H3O2-(aq) + H2O(l)
A higher proportion of black daisies on Daisy World can impact the hydrologic cycle leading to
A. higher temperatures, less evaporation, less cloud cover, with less retention of greenhouse water vapor trapping more outgoing longwave radiation. B. lower temperatures, more evaporation, more cloud cover, with the retention of greenhouse water vapor trapping more outgoing longwave radiation. C. lower temperatures, less evaporation, less cloud cover, with less retention of greenhouse water vapor trapping more outgoing longwave radiation. D. higher temperatures, more evaporation, more cloud cover, with the retention of greenhouse water vapor trapping more outgoing longwave radiation.