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:
Hello There!!
Explanation:
The answer is the first option=>sexual contact.
hope this helps,have a great day!!
~Pinky~
<span>Puberty begins when the pituitary gland increase the amount of hormones in one blood stream. Puberty is the process of physical change during which a child body's mature and become transformed into an adult body which is capable of reproduction. The onset of puberty is characterized by releasing of different types of hormones, especially reproductive hormones into the blood stream.</span><span />
<span>Genes are the main cause of a Carabelli Cusp.
This is a condition where there is an additional cusp on the first molar of the
tooth and become less pronounce when progressing to the second and third
molars. In some cases, the cusps' forms included pits, ridges, and furrows. <span>
<span>The Carabelli
Cusp is a condition most common in Europeans and rarest in the Pacific Islands.
It is an inherited feature from a homozygote or a heterozygote gene that can be
present or absent in some
individuals. It was
discovered in the year 1842 by Georg Carabelli, a court dentist of the Austrian
Emperor Franz. </span></span></span>