1. Describe the sleep-wake cycle, including key factors such as REM and NREM stages, brain wave patterns, and the typical characteristics or behaviors for each stage. 2. Create a scatterplot graph depicting the data on sleep duration and academic performance. Then interpret the results and present possible solutions for improvement. You can access the data in PDF or word-processing format.

The criteria that a given college uses for admissions are generally called a) college entrance requirements b) higher education requirements c) guaranteed transfer credits d) general education requirements

For review 1. in terms of which government is sovereign, differentiate among a unitary system, a confed- eral system, and a federal system of government. 2. to which level of government does the constitution distribute the enumerated po implied powers? concurrent powers? reserved powers? provide several power. 3. what matters fall within the scope of state sovereignty? differentiate among dual federalism, cooperative federalism, centralized federalism, and conflicted federalism. how does the national government use grants-in-aid, mandates, and preemption to direct the policy of state and local governments? 6. what do we mean by intergovernmental relations? why is the term a good description of u.s. federalism today? 7. list several advantages and several disadvantages of a federal system.

Which of the following practices is not recommended during a time of water scarcity? a. increasing wastewater recycling b. prohibiting the consumption of bottled water c. raising fines for violating outdoor water restrictions d. improving monitoring and management of local aquifers e. utilizing media to promote awareness of best practices in water management