18.9k views
24 votes
A reliable source of information on groundwater is always

biased
historic
secondary
up-to-date

2 Answers

12 votes
It’s up to date because of its not up to date it can’t be a reliable source
User Fonseca
by
7.9k points
8 votes
Up-to-Date because if it’s be recorded up to date then it’s accurate
User Jeff Brown
by
8.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.