The agriculture is one of the biggest contaminators of the groundwater. The contamination happens through the usage of chemicals in the agriculture for protection of the plants, or to encourage their growth. Part of those chemicals mange to wash through the soil and reach the groundwater. The majority of the groundwater is connected with the lakes and the rivers, thus the chemicals reach those waters as well. This makes these waters unusable for the humans because they are becoming toxic. The end result would be much less freshwater for usage, be it fro drinking, or for housework, as it can cause serious damage and even death if used, so a shortage of water would be inevitable.
Even if a microorganism is a part of the normal microbiota of a human being, it may cause the death of the person. For example, say E. coli, it resides in intestines and is harmful. But, if its number increases way too large, it may cause infection (Colitis) and even death. So, even the normal microflora needs to be present in the controlled quantities, inside the body.
Answer: None of the above
Explanation: Diaphysis - which connects shaft of bone, Epiphysis - is located at the proximal and distal ends of the bone, Epiphyseal growth plate - found in metaphyses of a growing bone, Articular cartilage - this is composed of elastic cartilage which allows flexibility, Endosteum - this lines the inner medullary cavity.
All answers above are correctly matched to the actual and correct definitions or functions of what each and every one performes. This makes all options correct answers.