2 is crescent and 4 is gibbous
Space actually, as far as we know gravity is just a manifestation of the warping of three dimensional space created by matter. Without space, all else is doomed.
Improper agricultural methods may elevate concentrations of nutrients, fecal coliforms, and sediment loads. increased nutrient loading from animal waste can lead to eutrophication of water bodies which may eventually damage aquatic systems.
The total amount of oxygen in the ecosystem,light available, and sugar molecules would decrease.
