C. Loss of calcium.
Kwashiorkor is a protein malnutrition.
Marasmus is a protein deficiency.
Loss of Vitamin C is just Vitamin C deficiency, also known as scurvy or scorbutus.
I think the answer is D but i'm not to sure about it
Both presbycusis and tinnitus deal with hearing. Presbycusis is a loss of hearing, which usually occurs as an individual gets older. Tinnitus is a symptom of presbycusis in which an individual may hear ringing, roaring or hissing sounds in one or both ears.
Answer:
Diaphragms
C. Create a physical and chemical barrier to sperm.