Ascientist dissolved a white powder in water and noted that the resulting solution was acidic. why should the scientist not infer that the white powder contained hydrogen ions?

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:

high growth (apex)