They Grab Information to gain Hypothesis , Then test it to get the Scientifical Answer for the problem.
Hope this helps... If not, correct me...
Answer:
You would perform a "Testcross" that's made specifically for figuring out genotypes
Contamination of groundwater by a local factory
Answer:
Subducts
Explanation:
According to Merriam Webster and TheFreeDictionary, the definition of subduct is "A geologic process in which one edge of one crustal plate is forced below the edge of another." Since this sentence indicates that an oceanic plate sinks under the continental plate, therefore I believe the fill-in-the-blank word would be 'subducts' or a similar word.