Petroleum : n
aluminum : r
dirt : r
salmon : r
coal : n
The answer would be : <span>c. chemical weathering.
Hope this helps !
Photon</span>
Most historians agree that the space race ended on 20 July 1969 when Neil Armstrong stepped onto the Moon for the first time. As the climax of space history and exploration, the lunar landing led to a triumph for the US.
