Often times, other species can also invade an ecosystem and do harm to it by interrupting the life cycles of other organisms, causing a clash of nature that has already been damaged by the overflow of pollution. 5. Ocean Mining. Ocean mining in the deep sea is yet another source of ocean pollution.
The organization must Selection methods include, but are not limited to, reference and background checks, interviews, cognitive testing, personality testing, aptitude testing, drug testing, and assessment centers. 4.
ABOUTâ¦. Special selection boards were established as a feature of the Defense Officer Personnel Management Act which became effective Sept. 15, 1981. In addition to considering active duty, Guard and Reserve officers, retired or separated officers are also considered provided they meet all board requirements.