Close your eyes. have your partner lightly push one or two pins into various areas of your back. you must discern whether he or she is pushing one pin or two pins. start with the pins about one-quarter inch apart, and gradually separate them further. when you can definitely feel two pins, measure the distance between them and record it.

2. repeat the procedure on your hands, feet, arms, legs, and back of the neck. when you can definitely feel two pins, record the distance between them.

3. record and submit your data to your instructor, and make a conclusion about sensory nerve density related to body area.

the answer is:

carbon dioxide

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'