You'll need a helper variable for this, so depending on your programming language, the solution becomes:
int helper;
helper = arr[i];
arr[i] = arr[j];
arr[j] = helper;
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believes that the average individual does not need a smart phone
<span>firivolous mean not serious, light, unimportant.</span>
Explanation:
1. radio transmission.
2. microwave transmission
3. infrared transmission.
The answer is Data Jobs, Data Analysis, Solution Architecture, Software Engineering and Product Managers, there is many more but there's just a few. Hope I helped! :)