Answer:
1,000-2000 IU per day
Explanation:
The recommended value by health professionals is a lot higher because this value is used for a healthy lifestyle. The Dietary Reference Intake for Vitamin D (600 UI) is the minimum required for men and women. Many people need almost double that amount to keep up with their lifestyles.
Vitamin D is a vitamin that is made by the body when exposed to sunlight. In areas that do not get much sunlight hours, it is recommended to take supplements.
Answer:
"I will eat a meat source such as chicken or pork with each meal."
Explanation:
Vitamin B12, or cobalamin, is one of eight B-complex vitamins. It is found only in animal foods (except honey), such as red meats, seafood, fish, eggs and milk, and is responsible for important functions in the body. Vitamin B12 deficiency is difficult to diagnose, but can cause serious conditions such as megaloblastic anemia and pernicious anemia. Specific groups in society, such as non-supplementary vegetarians and vegans and people over 50, are those most vulnerable to vitamin B12 deficiency.
Regarding the customer exposed in the question, the statement "I will eat a meat source such as chicken or pork with each meal." demonstrates that he is well informed and has correctly learned all the claims about vitamin B12.
The answer is c. he could develop fatigue or depression
Heavy industry, manufacturing and agriculture are three of the major causes of pollution of the Great Lakes system. The production of persistent organic pollutants (POPs) such as PCBs, DDT and dioxins, had previously been of principal concern. This does not account for all of the pollution, but are a majority of the blame. Chemical pollution, Plastic pollution, and Nutrient pollution have been devastating to The Great Lakes.
The causes of freshwater pollution are varied and include industrial wastes, sewage disposal, runoff from farmland, cities, and factory effluents, and the build-up of sediment. Emissions from factories and vehicles are released into the air.
Therefore, answers should be:
Industrial waste, sewage disposal and, runoff.
