The globulins that make up part of the plasma of the blood have three distinct purposes. what are the gamma globulins?

The gamma globulins are Antibodies of the immune system.

Explanation:

These belong top the globulin class. These are used for the process of improving the immunity level of any person. These are developed form the cells of lymph glands and bone marrows. Hence when they are introduced into a person it will cause hepatitis C. They are the antibodies of Immune system.

Since they introduce hepatitis C in the person who receives this, when they are given along with blood, these are treated before introducing to the persons. they are generally used for improving the immunity level of any person and those persons who are infected by hepatitis A or measels.  

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.