During the business cycle,
A) real GDP fluctuates around nominal GDP.
B) nominal GDP fluctuates around real GDP.
C) real GDP fluctuates around its trend.
D) trend GDP fluctuates around real GDP.
E) real GDP falls after the trough.
Question 2
Resource use is allocatively efficient when
A) we produce the goods with the highest opportunity cost.
B) we produce the goods with the lowest opportunity cost.
C) we cannot produce more goods and services.
D) we produce the amount of the different goods we value most highly.
Gametic life cycle, as illustrated by diatoms
Life cycle of Obelia, a colonial cnidarian.
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
Basidiomycetes Life Cycle
Citric Acid Cycle
The menstrual cycle.