During the entire month of June, temperatures increase in the Northern Hemisphere and decrease in the Southern Hemisphere. What causes these temperature changes? The Sun reaches its lowest point in the sky. The Sun reaches its highest point in the sky. The north end of Earth’s axis is tilted toward the Sun. The south end of Earth’s axis is tilted toward the Sun.

Which of the following is true? a. under the current unemployment insurance system, benefits replace about 90 percent of the typical worker's prior pretax earnings. b. high benefit payments to unemployed workers will tend to increase the rate of unemployment. c. if a system of personal savings accounts replaced the current unemployment benefit system, the unemployment rate would fall to zero. d. the rate of unemployment in the large european economies has been persistently lower than that of the united states due to their more generous unemployment benefits.