The of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time.
a. intensity
b. amplitude
c. compression
d. frequency

How can congress clarify parts of the constitution that are unclear?

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How does the principle of federalism affect the u. s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d. it divides the federal and state governments into three branches