Raynaud's phenomenon.
Scleroderma is a group of autoimmune diseases that may affect different parts of the body with special intensity in the skin. Some of the affected structures may be blood vessels. Because of this, when exposed to cold, vasoconstriction occurs and the Raynaud's phenomenon is manifested in the extremities of the body.
<span>A) research the information using several sources before taking the supplement.</span>
Answer:A is the answer
Explanation:Hope you get it right
B and f i think since more population means more resource consumption