Answer:
Sandbox Testing
Explanation:
Sandbox testing is used to test the new changes which is not their in your production server. Sandbox refers to a test server where we can deploy untested changes so that tester can test those changes separately
D. It is used to add sound effects.
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I belive the correct answer would be binary code because computers see the coding as 00100001
Answer:
hold down left click and drag or double/triple click the text
Explanation:
Administrator, guest and user