Humans found ways to create irrigation and used it to domesticate plants and start farming. With farming, people controlled what plants grew where and how well those plants produced food. They also making tools to gather food, caring for each other, and using fire for heat and cooking
Answer:
Snowball sampling
Explanation:
Snowball sampling -
It is the sampling method , in which , the presently existing study are recruited further for future subject , is known as snowball sampling .
And the sample group increases in a way a snow ball increases while rolling .
Hence , from the question ,
The correct term according to the given question is snowball sampling .
Answer: Similarly happy as other age group people
Explanation:
Happiness is the feeling of pleasure and satisfaction that is achieved by someone through activities, tasks, deed, act, or sometimes without anything.Every age group has certain happiness reasons and factors to be happy.Researches suggest that happiest age group is found to be after 70-years.
According to the question, Mary is as happy as other age group people are because she is pursuing the activities she loves like reading, gardening etc and also has close friend with loving family.She is 75 years old and thus she is having happy life as other people.
They could look for any land changes like ditches near the beaches or big sinkholes that are very close to the water. They can also see if any of the land had any big changes inside the Earth. They can use this information because so they can determine if the two land masses were having land movement and that the shift might have made it to break apart.
Hope this helps!