A.) a density- independent limiting factor b.) an increase in resource c.) a density- dependent limiting factor d.) a decrease in predation

A.) a density- independent limiting factor  

this is the answer i've taken this quiz for bio unit 2

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: