Answer:
Dative and ablative
Explanation:
In dative and ablative, the plurals are always same, they do not change both in the first and second declensions. It ends always with "is" in plural e.g axis, analysis, thesis
Tied up nearby lay a massive gray pit bull, in the soft afternoon light, it’s scarred, ferocious face oddly serene
Yolk is inside an egg...and a tie is inside a suit.
The answer to these question is the Arctic Ocean