A chemical engineer has been working on developing a new type of candle wax made from coconut oil. The engineer wonders how the amount of time that a candle made of coconut oil wax will burn compared to the time that a candle made of beeswax will burn.

After gathering the appropriate data and ensuring that the necessary conditions have been satisfied, which type of significance test should the engineer conduct?

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.

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.

99 pts which of the following statements refers to the wage-price spiral process? the salary of a worker fluctuates with the amount of sales he or she accomplishes per month. an employee loses his or her job, finds a position at another company, and is underemployed. employees only receive a raise when their purchasing power has been eroded by inflation. a worker receives a raise, which increases costs for the employer.