Author Question: The general term or category for a non-energy-requiring mechanism whereby a substance moves from a ... (Read 20 times)

javeds · **on:** Aug 20, 2018

The general term or category for a non-energy-requiring mechanism whereby a substance moves from a region of higher concentration to a region of lower concentration is _______________.
Fill in the blank(s) with correct word

Question 2

Someone who drinks only bottled water is more likely to have a low intake of _____ than someone who drinks water from the community water supply.
a. copper
b. fluoride
c. manganese
d. zinc