Final answer:
The correct sequence to apply the Uncover transition and Click sound to the first slide and all subsequent slides is to go to the Transitions tab, select 'Uncover', choose 'Click' for the sound, and then use 'Apply to All'.
Step-by-step explanation:
To apply the Uncover transition and the Click sound to the first slide in a presentation, and subsequently to all slides, you should follow these steps: First, select the first slide on which you want to apply the transition and sound. Then go to the Transitions tab, here you'll find a range of transition effects. Select the 'Uncover' effect. After choosing the Uncover transition, look for the Sound option within the Transitions tab and select the 'Click' sound. Once both are applied to the first slide, use the 'Apply to All' button to apply the same transition and sound to all slides in the presentation. The correct sequence is therefore, 'Transitions' > 'Uncover' > 'Sound' > 'Click' > 'Apply to All'. Following this sequence ensures that your entire presentation has a consistent look and feel as it progresses from slide to slide.