Question

use the article \scientists deploy nanotags to study shorebirds\ to answer questions 4 to 5. 4 what is the \conservation mystery\ that scientists are trying to solve using tiny tracking devices called nanotags? 5 why are scientists hoping to learn more about what happens to sandpipers while they winter in northern south america?

Explanation:

To answer these questions, one would need to refer to the content of the article "Scientists Deploy 'Nanotags' to Study Shorebirds". The first question asks about a conservation - mystery related to shorebirds that nanotags are being used to solve. The second question pertains to the motivation behind learning about sandpipers' winter activities in northern South America. Without the article content, specific answers cannot be given, but the approach is to extract relevant information from the article.

Answer:

1. Information not available without article.
2. Information not available without article.