D, Was is the answer, a being verb is showing the state of being such as (am, is, are, was, were, be, being, been.
When migrating, birds usually migrate when there's not enough food, shorting of daylight, and when it's getting colder in winter. Birds that migrate do so in the late summer through the fall and in the late winter through the spring. Birds and use a radical pair-based compass to "see" the Earth's magnetic field when migrating.
Answer:
C
Explanation:
Because They were made by how much they debated it
