Answer:
Fish need to be aerodynamic to move quickly. If they had legs they woulf be less aerodynamic and unable to get away from predators.
The concentration of Ca2+ ions is half that of the Cl- ions.
Answer:
hold on this will take me awhile
Explanation:
A strong acid- strong base titration is performed using a phenolphthalein indicator. Phenolphtalein is chosen because it changes color in a pH range between 8.3 – 10. It will appear pink in basic solutions and clear in acidic solutions. ... It is known as the titrant.