Billy works at a chemical plant that produces pesticides. One day he felt the need to head to urgent care with muscle spasms that interfere with his everyday movement and breathing. Blood tests showed high levels of organophosphate pesticide, which is an acetylcholinesterase inhibitor. Explain to Billy what this means in regards to his muscle spasms.

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.

answer; i believe the correct answer is (a)0

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: