Answer: a. Discharged, untreated, into surface waters.
Explanation:
Most of the waste water and sewage water is left untreated into the surrounding soil or water which is the main cause of pollution. Due to lack of drainage system or septic chemical treatment the sewage water drain from major cities is discharged into the surface water untreated. This water can deteriorate the quality of portable water and can affect the population of many aquatic species reducing the aquatic biodiversity. The sewage discharge consists of nitrogen and phosphorus like minerals which can result in algal bloom causing eutrophication.
Answer:
The current population of Oceania is 43,648,503
Explanation:
Answer: Can differ in different ways
Explanation: Race and class can affect education in a number of ways. An example is those people who come from minority groups. People who are minorities are more likely to have a history of relatives who have not reached a higher level of education. Those families that have not had access to education can influence the child to continue on the same path.
Also, people from minority groups may have greater difficulties in accessing education since these groups in various countries are often neglected.
B. moles or marks on the body
Witchcraft was the period of panic and hysteria in the 17th century and often regarded as most captivating chapters of American history. In North America, young girls started having mysterious screaming fits and on diagnosis, it was revealed that the girls have been bewitched. This began the dramatic and strange search for witches. However, witch hunters started looking for devil marks or witch marks on suspected women bodies. Witch marks included the variety of skin lesions such as red, blue, brown lesions or many time unusual moles and outlines.
