Explanation:
The Ebers Papyrus, c. 1500 BCE, details the use of lint, animal grease, and honey as topical treatments for wounds. The lint provided its natural absorbency, the animal grease provided a barrier to environmental pathogens, and the honey served as an antibiotic agent.
Answer:
What are the service delivery challenges facing municipalities?
What are service delivery protests? And what happens during these protests?
What happens during these protests?
Explanation:
I am not sure what exactly is a school learner though....
The Supremacy Clause of the United States Constitution (Article VI, Clause 2) establishes that the Constitution, federal laws made pursuant to it, and treaties made under its authority, constitute the supreme law of the land
A Blockade is a wall of ships that can form a wall to prevent passage to another country (Normally used in war to 'starve' the enemy!).
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".
