Answer:hydrated lime is used initially to precipate most of the sulfate as gypsum
Explanation:
The most common method for removing sulfate from highly concentrated waste water is the addition of lime which precipitate calcium sulphate
The next step is the addition of CESR reagent to lime water treated precipitate sulfate..we have the steps as followed: initial surface precipation, metal hydroxide precipitation, final surface precipitation and pH reduction/recarbonation
Answer: Option D. DES (Diethylstilbestrol)
Explanation:
Diethylstilbestrol was given to pregnant women to prevent complications during pregnancy. These could include having a miscarriage or giving birth too early. There were possibilities that the daughters of the women who used DES to prevent miscarriage were more likely to get a certain kind of cancer of the vagina and cervix. Diethylstilbestrol, or DES, is a synthetic form of estrogen. Estrogen is a female hormone. DES was given to millions of pregnant women between 1938 and 1971.
Answer:
broken windows theory is the correct answer.
Explanation:
- The proposal that unintended disorderly behavior can also signal that nobody cares about the community, leading to more serious disorder and crime, is known as: broken windows theory.
- The broken windows theory says that evident signs of crime and anti-social behavior in urban areas encourage to further serious crime.
- Broken window theory states that if the problem that occurs in the given situation remains unattended then it will affect the people's attitude toward that situation and it will lead to further problems.
- This theory has been examined for supporting biased police methods.
<em>1. It requires a lot of capital.</em>
<em>2. Plantations also refers to commercial farming. </em>
<em>3. The main characteristics of commercial farming is the use of high doses of modern inputs like high yielding varieties (HYV) of seeds chemical fertilizers insecticides and pesticides in order to obtain higher productivity.</em>