What is true about technology and population growth? Technology has drastically altered the impact that each individual person has on the environment.

Technology increases use of resources.

both a and b

neither a nor b

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

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.

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above