Aresearcher who is conducting an opinion survey asks viewers who are watching a political debate to use the internet to record their opinion to the "question of the day." in this case, the researcher is likely to have

answer; a biased sample;

the correct answer is "hematoma formation, with ligaments that are stretched, partially, of fully torn" ankle sprain are produced by an injury to the tough bands of tissue (ligaments) that surround and connect the bones of the leg to the foot. this causes several damage to the ankle including hematoma formation and ligament injury .