Answer:
97% of the earth water is salt water
The exocrine glands release secretions through ducts.
Conduction: I would explain why I think so, but I think the answer itself explains why well enough so that I don't exactly have anything to add
It helps scientists improve on research and tests/examinations to understand the object a little more. For Example: The newer modified microscope helps zoom into harder to see microrganisms. So if technology changed then most of our scientific knowledge wouldve been mistaken this whole time. We wouldnt know many things if technology didnt exist.
