A codon is a segment of DNA that codes for one particular protein, it consists of 3 nucleotides.
Answer:
Circulatory System
Explanation:
Capilaries are tubes that transport blood and provide nutrition through diffusion in tissues. Transporting blood is a function of the circulatory system.
Answer:
These are the three that exceed EWG Health Guidelines
Chromium
Haloacetic acids
Total trihalomethanes
Explanation:
https://www.ewg.org/tapwater/system.php?pws=SD4600356