Why dependencies are so huge ?

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When I tried to install Google chrome.rpm it's shows

[root@fedora-20 Desktop]# yum install google-chrome-stable_current_x86_64.rpm 
Loaded plugins: langpacks, refresh-packagekit
Examining google-chrome-stable_current_x86_64.rpm: google-chrome-stable-38.0.2125.104-1.x86_64
Marking google-chrome-stable_current_x86_64.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package google-chrome-stable.x86_64 0:38.0.2125.104-1 will be installed
--> Processing Dependency: lsb >= 4.0 for package: google-chrome-stable-38.0.2125.104-1.x86_64
--> Processing Dependency: libXss.so.1()(64bit) for package: google-chrome-stable-38.0.2125.104-1.x86_64
--> Running transaction check
---> Package libXScrnSaver.x86_64 0:1.2.2-6.fc20 will be installed
---> Package redhat-lsb.x86_64 0:4.1-21.1.fc20 will be installed
--> Processing Dependency: redhat-lsb-printing = 4.1-21.1.fc20 for package: redhat-lsb-4.1-21.1.fc20.x86_64
--> Processing Dependency: redhat-lsb-languages = 4.1-21.1.fc20 for package: redhat-lsb-4.1-21.1.fc20.x86_64
--> Processing Dependency: redhat-lsb-desktop(x86-64) = 4.1-21.1.fc20 for package: redhat-lsb-4.1-21.1.fc20.x86_64
--> Processing Dependency: redhat-lsb-cxx(x86-64) = 4.1-21.1.fc20 for package: redhat-lsb-4.1-21.1.fc20.x86_64
--> Processing Dependency: redhat-lsb-core(x86-64) = 4.1-21.1.fc20 for package: redhat-lsb-4.1-21.1.fc20.x86_64
--> Running transaction check
---> Package redhat-lsb-core.x86_64 0:4.1-21.1.fc20 will be installed
--> Processing Dependency: redhat-lsb-submod-security(x86-64) = 4.1-21.1.fc20 for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
--> Processing Dependency: spax for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
--> Processing Dependency: /usr/sbin/sendmail for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
--> Processing Dependency: /usr/bin/patch for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
--> Processing Dependency: /usr/bin/m4 for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
--> Processing Dependency: /bin/mailx for package: redhat-lsb-core-4.1-21.1.fc20.x86_64
---> Package redhat-lsb-cxx.x86_64 0:4.1-21.1.fc20 will be installed
---> Package redhat-lsb-desktop.x86_64 0:4.1-21.1.fc20 will be installed
--> Processing Dependency: redhat-lsb-submod-multimedia(x86-64) = 4.1-21.1.fc20 for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
--> Processing Dependency: qt3(x86-64) for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
--> Processing Dependency: qt-x11(x86-64) for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
--> Processing Dependency: qt(x86-64) for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
--> Processing Dependency: mesa-libGLU(x86-64) for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
--> Processing Dependency: libpng12.so.0()(64bit) for package: redhat-lsb-desktop-4.1-21.1.fc20.x86_64
---> Package redhat-lsb-languages.x86_64 0:4.1-21.1.fc20 will be installed
--> Processing Dependency: perl(XML::LibXML) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Time::HiRes) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Text::Soundex) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Test::Simple) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Test::Harness) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Sys::Syslog) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Scalar::Util) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Pod::Plainer) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Pod::LaTeX) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Pod::Checker) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency: perl(Locale::Maketext) for package: redhat-lsb-languages-4.1-21.1.fc20.x86_64
--> Processing Dependency ...