While studying people with intellectual disabilities doctors found gene to

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

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:

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

c. heat from the poles back down towards the equator.