It supports the weight of the upper body as it's spread across the pelvis and into the legs. It also connects the spine to the hipbones.
Water cycle because water or a chemical element is continuously recycled in an ecosystem which is biogeochemical
eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes. Each of these organelles performs a specific function critical to the cell's survival.
D - i think since phosphates and nitrates play a major role in primary production
