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Human brains are becoming shorter and smaller generation by generation. There are some justifications on why we are becoming shorter, the first one is due to a difference in lifestyle in the past centuries, for instance, humans have shifted from hunting food to learning how to harvest and prepare their meal, Also to mention that farming has increased the population of human society since plenty of food is available for everyone. Also, the decrease in population is caused by malnutrition of essential vitamins and minerals. In addition, social inequality plays a big role in this. People of the higher class take more than their needed portion of food, leaving the rest in poverty. Surprisingly our brains are getting smaller due to firstly our brains need tons of energy to function properly, these days we humans are given so many tasks to complete that is squeezing our brains onto getting smaller. Besides evolution is the main source of this it has made our brains smaller but still super intelligent.

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Human brains are becoming shorter and smaller generation by generation. There are some justifications on why we are becoming shorter, the first one is due to a difference in lifestyle in the past centuries, for instance, humans have shifted from hunting food to learning how to harvest and prepare their meal, Also to mention that farming has increased the population of human society since plenty of food is available for everyone. Also, the decrease in population is caused by malnutrition of essential vitamins and minerals. In addition, social inequality plays a big role in this. People of the higher class take more than their needed portion of food, leaving the rest in poverty. Surprisingly our brains are getting smaller due to firstly our brains need tons of energy to function properly, these days we humans are given so many tasks to complete that is squeezing our brains onto getting smaller. Besides evolution is the main source of this it has made our brains smaller but still super intelligent.

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raneem

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very short :(, content:5/6 you missed 1 point, language: 6/6 no grammar mistakes good vocab

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checking for nada by sarah saker, word count too short but language is 4/6 and content is 6/6

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rayan

People in the modern day have shrunk in both their physical structure and brain size what may have caused this change?

Anatomically early Homo sapiens have emerged as hunters with mighty chests and bigger brains ,opposing to this humans nowadays have primarily switched to farming a skill that doesn’t require strength. Lack of nutrition is also an important aspect farmers have mostly relied on cereals that lacked niacin

Having a larger brain requires lots of energy. In our modern day work has increased, and the amount of tasks a person should do on a daily biases has also increased, due to this drastic change human brains have shrunk to save energy.

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Nada Khaled

Scientists say that people have became shorter than before and some predicted reasons include lack of nutrients like vitamins, a change from hunting to agriculture and social imbalance. They also say that brains have become smaller in size because of development and change, big amount of energy needed to sustain large brains and the need to save power for increased number of tasks.

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grading for malak by raneem:  content 5/5 , language 4/5 , it was informative and all points were mentioned but i felt she could have connected the points better overall i would give it 15/16

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malaks comment on saras summary    content 5/6 she missed one point (point 5)     lang 4/5 she could have used more linking words but grammer was perfect

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Humans have become shorter and their brains became smaller due to many changes that happened
to our world. The first reason why humans have become shorter in height, is that almost more than
half of our society has changed from hunting activity to farming, which is much easier and doesn’t
need much strength from them. Also the decrease of essential nutrients, like vitamins and minerals,
in humans’ food nowadays led to the decrease in height as well. Moreover, as we all decide to live
different lifestyles, it could also affect this situation. Social inequality has a big role in the problem,
where people that are in need for food barely get the amount of food that luxury people get. As
there are many reasons for the decrease in the height of humans, there are also reasons why their
brains became much smaller. Firstly, human brains need an unbelievable amount of energy to
become larger, humans barely get this amount of energy nowadays. Secondly, some people are
forced to do a huge amount of tasks that leads the brain to needing a certain amount of energy to
save. However, evolution is another reason for the decrease in the size of our brains but it helped in
making it more productive.   Malak Amr

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Being a human is a hypnotic fact but why are humans becoming shorter. There are a lot of reasons that vary from agriculture to shortage of vital micronutrients which cause nutritional diseases. When the human species decided to switch from hunting to farming, that factor depended on different lifestyle demands. Nutritional diseases are also caused by the dominant class taking most food. We also have to put in mind the ratio of the human body to the brain size, so as the bodies decreased brains decreased as well, which is caused by the huge amount of energy required to maintain large brains this will result in the need to save energy for the increased number of tasks, even though brains are evolving by becoming smaller but more efficient.
SARAH SAKER