The greenhouse effect is caused by . a buildup of carbon dioxide in the atmosphere
the trapping of the sun's heat
pollution from burning fossil fuels
all of the above

haellowenn happy

Explanation:

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

answer: 45

explanationyou have to add as well to be it could be