Which of the following happens  firstwithin an animal response?                 a.  interneurons receive and process information about the stimulus.      b.  motor neurons carry directions from interneurons to muscle cells.      c.  sensory neurons sense a stimulus.      d.  sensory neurons pass information about the stimulus to other nerve cells.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

the answer is sex-linked recessive.