List three safety practices related to equipment and environment

Someone who has a lot of friends definitely has better social health than someone with only a few close friends. a. true b. false

Match the deficiencies with their proper definitions: 1. deficiency disease 2. niacin (b3) deficiency 3.vitamin a deficiency 4.vitamin b1 deficiency 5.vitamin d deficiency 6.vitamin c deficiency a. abnormal conditions due to the absence of specific substances usually found in a normal diet b. susceptible to infection, partial or complete blindness, unhealthy skin c. fatigue, depression, irritability, low blood pressure, loss of appetite d. inflammation of the mouth, sores around the mouth, red and thickened skin, diarrhea, vomiting, etc e. weakness, bleeding into tissues, excessive bruising, softening of bones f. bones not normally hardened and become bent or twisted (answer format ex. 1 - a, 2 - b, 3 - c, etc.) will award brainliest

Can someone give me one specific health problem, and explain it. !