Ugljik Pt.4 Flashcards

(10 cards)

1
Q

What is the main greenhouse gas discussed?

A

Ugljikov(IV) oksid (CO2) je glavni staklenički plin.

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2
Q

How has the amount of CO2 in the atmosphere changed over Earth’s evolution?

A

Količina ugljikov(IV) oksida mijenjala se tijekom evolucije Zemlje, smanjila se pojavom modrozelenih bakterija.

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3
Q

What is the current percentage of CO2 in the atmosphere?

A

Trenutno je udio ugljikov(IV) oksida u atmosferi oko 0,04 %.

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4
Q

What is necessary to maintain the same level of CO2 in nature?

A

Proizvodnja CO2 mora biti jednaka njegovoj potrošnji u procesima fotosinteze i otapanja u vodi.

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5
Q

What is the average annual production of CO2 compared to its consumption?

A

Godišnja proizvodnja CO2 je u prosjeku 5 milijardi tona veća od potrošnje.

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6
Q

What is the main cause of increased CO2 levels?

A

Glavni uzrok povećanja CO2 su ljudske aktivnosti, posebno izgaranje fosilnih goriva.

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7
Q

What effect does CO2 have on solar energy?

A

Ugljikov(IV) oksid propusta Sunčevu energiju do Zemljine površine, ali zadržava toplinsku energiju.

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8
Q

What is the greenhouse effect?

A

Dio toplinskog zračenja se odbija od sloja CO2 i vraća se natrag na Zemlju, uzrokujući staklenički efekt.

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9
Q

What is the task regarding the graph of CO2 emissions?

A

Prikazati porast globalne emisije CO2 od 1850. do 2030. godine i odgovoriti na pitanja o povećanju emisije.

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10
Q

What should be researched to combat global warming?

A

Istražiti što se može učiniti kako bi se zaustavio daljnji rast prosječne godišnje temperature.

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