The mode of natural selection in which extreme phenotypes are less fit than the intermediate phenotype is

Raw sewage within a water ecosystem can kill fish because respiration by the microbes in the sewage reduces the concentration of oxygen within the water.

In a process called __________, nitrogen and phosphorus fertilize algae in the water, resulting in algal blooms.

Check the following for style, punctuation, grammar, etc. (True = Correct, False = Incorrect)  The university promised to ease the parking situation, and they plan three new garages. 

True or False: When a country undergoes dollarization, it mostly gives up control over monetary policy.

When Congress passes a large increase in government spending into law, it is conducting ____, and this is more appropriate in the presence of a ____.

Which of the following represents the rate-determining transition state for the formation of the MAJOR product in the reaction shown below? Note: The relative reaction rates of 1° H : 2° H : 3° H are 1 : 4 : 5, respectively. Both chain propagation steps of the reaction are exothermic.

For each pair of reactions shown below, determine which reaction would proceed at a faster rate. A or B: [AorB] C or D: [CorD] E or F: [EorF]

Select appropriate reagents/conditions to carry out each of the transformations (A-F) below.

Select appropriate reagents/conditions for each of the following transformations. Note that reaction D produces a mixture of two glycol stereoisomers; reactions B and C each produce only ONE of these stereoisomers.