Write a function that dynamically allocates a block of memory and returns a char pointer to the block. The function should take an integer argument that is the amount of memory to be allocated. If the new operator cannot allocate the memory, the function should return a null pointer.

In researching his history report about the civil war, why is ariq most likely to use secondary data than primary data? secondary data provides a starting point to find primary data. secondary data is easier and less time consuming to find. secondary data is always more reliable and credible. secondary data eliminates the need for other research.