Answer:
an indicator helps us to see the equivalence point (or end point of the valuation) during a titration experiments by causing the color change.
Explanation:
I think that it is A. it forms new mountains under the water
Phenotype are traits what is actually expressed
Answer:
1. Providing structure --> Collagen makes skin strong yet flexible.
2. Maintaining homeostasis --> Insulin controls the concentration of sugar in the blood.
3. Fighting Disease --> IgA prevents the buildup of viruses and bacteria in the gut.
4. regulating chemical reactions --> Pepsin works in the stomach to speed up the breakdown of food.
