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자유 기사 기사 작성법
일상생활 속 수학을 찾아 보세요!
[자유 기사] 만약 지구가 멸망한다면?
space 2020.09.20 20:44

지구에게는 인간에게 꼭 필요한 것 5가지가 있다

첫번째는 바로 적당한 온도이다

인간은 온도에 아주 민감하다

너무 더우면 열사병 또는 일사병에 걸리고 너무 추우면 저체온증에 걸릴 수 있다

 

두번째는 적당한 기압이다

기압이 너무 높으면 거주지가 붕괴 될 수 있고 너무 낮으면 산소 농도가 낮아진다

기압은 온도와 밀접한 관계가 있다

대기층이 많은 열을 보유하기 때문이다

그래서 기압이 낮으면 온도가 내려가고 높으면 올라간다

 

세번째는 아주 중요한 적당한 산소이다

산소 농도가 낮으면 질식 할 수 있고

높으면 화재가 날 수도 있고 활성 산소 때문에 세포가 파괴 될 수도 있다

 

네번째는 또 중요한 적당한 이다

대부분 물은 많으면 좋다고 하는데 아니다

물도 한 번에 너무 많이 마시면 물 중독이 일어 날 수도 있고

또 너무 적으면 가뭄 또는 물 부족이,

너무 많으면 육지가 물에 잠길 수 있다

또 이것은 온도 때문에 얼어서 물이 줄거나 녹아서 물이 늘을 수 있다

 

마지막은 다른 생명체 이다

셍명체들은 서로 먹고 먹히며 살아간다

그러니 인간도 다른 생명체가 없으면 살아갈 수 없다

식물은 이산화탄소(광합성), 산소(호흡), 양분이 필요 하고

초식 동물은 산소, 식물이 필요하고

육식 동물은 산소와 다른 생명체가 필요하고

우리 인간은 식물, 다른 생명체가 필요하다

한 종이라도 모두 없어지면 그 생물을 먹던 생물까지 굶어 죽게 때문이다

 

그럼 왜 다른 태양계 행성에서는 살지 못할까?

수성은 물, 산소, 기압, 생명체가 없고 온도가 너무 높다

금성은 물, 산소, 생명체가 없고 온도와 기압이 너무 높다(특히 기압은 아주 높다)

화성은 물, 산소, 기압, 생명체가 없고 온도도 낮다

목성, 토성, 해왕성, 천왕성에서는 기체라서 살 수가 없다

다른 왜소 행성이나 위성들도 적당한게 없다

 

오늘의 퀴즈!

다음 중 인간이 살아가는데 필요 없는 것은?

1.산소

2.생명체

3.컴퓨터

4.물

정답을 비밀댓글로 적어주세요!

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