Question

Explain why using older yet reliable sources may be problematic for your current research.

It is old, so it cannot be good research.
It is old, so it is pointless to use.
It is old, so it should be thrown away.
It is old, so it may not be relevant to your current research.

Answer 1

Answer:

answer 4

Explanation:

The data may not be accurate to current situations and may not be usable.

Answer 2

Answer:

It is old, So it may not be relevant to your current research.

Explanation:

The source may be outdated and new things may have been found (out) after that source was published.

Hope this helps :)