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1. True. The Android manifest file is an essential part of every Android project. This file defines the application's identity, settings, and permissions.

2. False. The android:versionCode attribute must be incremented each time the application is deployed, and it can be upgraded. This number need not match the android:versionName setting.

3. B. You use the android.permission.CAMERA permission to access the camera.

4. True. This way, the user knows what the application might attempt to do, such as take a picture or access the user's contacts.

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