They lived in America They both hunted
Answer:
#ifndef
Explanation:
#ifndef checks whether the given token has been #defined earlier in the file or in an included file.
It should be understood that #ifndef preprocessor commands are used to test if a preprocessor variable has been "defined".
And it should be noted that #ifndef is known as header guards. And its primary purpose in C++ is to prevent C++ header files from being included multiple times.
In conclusion , it should be noted that #ifndef is one of the conditional processing blocks, andit is known as header guards because it used in creation of "include guard".
<span>greater reproductive potential would be the correct answer </span>
"<span>Air carriers" mode is not covered under the national transportation policy.
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National transport policy will supplement government endeavors to enhance transport and exchange framework. This will likewise help upgrade neighborhood and provincial exchange or regional trade. All around arranged, protected, better kept up, and locally associated transport framework is the way to opening the financial development capability of any country.