A group of sailors on board a ship suffered from bleeding gums. What deficiency disease could they have suffered from? Suggest 2 types of food which should be included in their diets to prevent such a disease.

Vitamin deficiencies: Vitamin K and Vitamin C
Lettuce, spinach, tomatoes, citrus fruits and juices, strawberries, broccoli, and kale should be included in one’s diet.

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.