What change in the frog's environment could have affected their population? a) lots of flies located in and around the bog b) a new species of frog being introduced to the bog c) decreased amounts of precipitation leading to a drought d) an old tree falling over and beginning to decompose in the bog

i got something better   a catchphrase here it is

ahem  

ahem

what the squwock

explanation:

"d.) carbon dioxide and hydrogen sulfide"

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 think that it is plants