Im not shur but i think your answer is d corporal punishment and taxes
Here is the answer you are looking for!
One or more unwanted ionic pollutants are eliminated from water using the ion exchange technique by exchanging them with a less disagreeable or non-objectionable ionic material.
The engineers of ion exchange products need to know which items are soluble so that the the pollutant can be extracted from the water by dissolving the ionic pollutant in a suitable solvent or exchange product. In order to identify the solvent, the engineer must be aware of the physical and chemical properties of the pollutant.
The exchanged material and the contaminant both need to be dissolved and have the same kind of electrical charge (positive or negative). A common instance of ion exchange is the "water softening" procedure, which lowers the amount of calcium and magnesium in the water.
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Answer:
Interference
Explanation:
Forgetfulness is a common phenomenon. There are two phenomena that can explain why we forget information. These events are part of a process called Interference, which is divided into: retroactive and proactive interference. The feedback happens when we have a saved information and, later, we receive more relevant new information. In this case, the nervous system gives priority to the second. Proactive interference is the opposite phenomenon. ” This overlapping and mixing of information overloads and stresses the brain, causing forgetfulness.
The correct answer is
"To commemorate the South African government abolishing apartheid."
Explanation:
District Six Foundation was founded in 1989 and the museum in 1994, as a memorial to the forced movement of 60,000 inhabitants of various races in District Six during Apartheid in South Africa in the 1970s.