Answer:
Alginates are added to help protect the lining of the gullet (oesophagus) from stomach acid. Alginates include sodium alginate and alginic acid. They are present in antacid medications with various brand names.
Explanation:
D
I believe the answer would be:
A. Three groups of plants—a group fertilized by X, a group fertilized by Y, and a control group with no fertilizer.
I hope this helps.
365 days and five hours
