The correct answer is 1
Sleep is divided into several phases, each of which has a specific physiological stage. The five stages of sleep form the cycle, lasting about 90 minutes each. In this way, a sleep cycle is repeated four to five times a night.
Basically, we can divide sleep into two phases: REM (Fast Eye Movement) and NREM (Non-Fast Eye Movement). The state of NREM corresponds to 75% of the sleep period, and is divided into four phases.
We wouldn't have all the foods, animals, plants, culture,technology, and ideas from the Old and New world mixed. If you are living in North America, think about one of the most popular foods. Chicken. Without the Old World(Europe), we couldn't have some of the most popular foods, not even cookies(wheat)! One of the main things also in the Columbian Exchange is diseases. It would be a lot better for North America without those, and we probably would be more successful without those diseases from England. But, it is worth all the animals and food from the Old World.
This isn't 5 sentences, I didn't know if had to be at least 5 sentences, but if it is only 5 sentences,cut off some of the information you don't need.
No they don't, because when the archaeologist got there they messed up everything.
Abraham Maslow proposed the hierarchy of needs theory of personality. It is a theory that describes the needs that encourage and motivates the behavior of human being. In the hierarchy, there are 5 most basic needs and these are to be satisfied in order to be successful.
