The answer is 50%.
From the 'National Affairs' website, they conducted a study where they found that less than 20% of couples who married in 1950 ended up divorced, about 50% of couples who married in 1970 did.
And in regards to the basic unit of society question; the answer would be family. Family is the basic unit of society as it forms community and is the nucleus of civilisation.
Answer: A disease found in the liver
Explanation:I looked it up
Your personal values affect how you think, what you do and how you do it. Your background, upbringing, experiences and relationships will all have played a part in the way you see things. Sometimes your attitudes and beliefs could lead you to assume things about people that are not right or fair.
The answer is 2000 calories. My guess is that is because you need to burn so many but gain so many to get energy. This is a way to not gain weight.