Final answer:
The bold adjectives 'Awake' and 'alert' describe the noun 'Erik Killmonger,' indicating his state of being after drinking tea.
Step-by-step explanation:
The question asks which noun the bold adjective describes in the sentence, "Awake and alert after drinking his tea, Erik Killmonger felt ready to face the day." In this case, the bold adjectives are 'Awake' and 'alert.' These adjectives describe the noun 'Erik Killmonger,' indicating his state of being after drinking his tea. Thus, Erik Killmonger felt refreshed and was no longer sleepy or lethargic; he was prepared for whatever the day might bring due to the stimulating effects of his tea.