Alternating current electricity. This allowed electricity to flow further than Edison's first DC approach.
Railroads - allowed for transportation of materials to growing small cities, and large cities to become larger.
Antibiotics and antiviral medicines. - stopping deadly diseases and bacteria from spreading. This helped with many problems that would normally terminate 33% of populated areas that are infected.
Answer:
The rodents hearing will be less sensitive near and far
Explanation:
In normal hearing, the sound waves travel from the wide tympanic membrane to the ossicles, which causes an increase in the intensity of the sound waves as it gets amplified, therefore, without these the intensity will be less than normal regardless of how far the sound is
Wwhhyy ddoonn''tt yyoouu aasskk yyoouurr mmuummmmyy??
<span>The Fourteenth Amendment. It enforced a definition of citizenship on the states, thus overturning Dred Scott v. Sanford, and provided a mechanism for enforcing the Bill of Rights on states. Thus citizens could now sue their states in Federal court for abridging their constitutional rights.</span>
