Answer:Bird ringing or bird banding is a technique used in the study of wild birds, by fitting a small, individually numbered, metal or plastic ring to their legs. Beside the letter or numeric code, ring has some information about organization, city or country
Explanation:
It's "computers", because they're the subject of the verb to be.
I think.
Lewis and Clark idk I need points
-She plots a murder against Duncan
-she is more ambitious than her husband
It means conditions that are on the margin, the margin being that region of the operational envelope that is right on the edge between acceptable and unacceptable.
