Greenhouse Effect

When fossil fuels, or other fue...

Question

Greenhouse Effect

When fossil fuels, or other fuels, such as wood or peat, which contain carbon are burned, carbon dioxide is released into the atmosphere. Vehicles also give out, and so add, carbon dioxide to the atmosphere.

The Earth’s atmosphere allows most of the Sun’s rays to pass through it to heat the Earth’s surface. The Earth reflects much of the heat energy back into the atmosphere, but much of this reflected radiation cannot escape because gases such as carbon dioxide absorb it. They grow warm and send heat radiation back to Earth. This is the greenhouse effect. Many scientists think that the greenhouse effect may change the climate, over the next 100 years or so. One consequence of so-called “global warming” resulting from the greenhouse effect could be melting of the polar ice. This in turn, could lead to a rise in sea level which could flood large areas of highly populated coastal land.

If carbon dioxide proves to be harmful as thought in order to reduce carbon dioxide levels we need to reduce the amounts of carbon-rich fuels burned.

Taken from Kingfisher Science Encyclopedia, 1997

17. What effect does carbon dioxide have on the atmosphere?
a. It makes the atmosphere darker to long-wave radiation.
b. It makes the atmosphere allows most of the Sun’s rays to pass through.
c. It makes the atmosphere allow most of the Sun’s rays to pass through it to heat the Earth’s surface.
d. It makes the atmosphere become warmer.

D. Nur · Accepted Answer

Jawaban untuk soal ini adalah D. It makes the atmosphere become warmer.

Soal ini menanyakan efek dari adanya karbon dioksida di atmosfer.

Untuk menjawab soalnya, perhatikan beberapa kalimat berikut:

Kalimat di paragraf 1
"When fossil fuels, or other fuels, such as wood or peat, which contain carbon are burned, carbon dioxide is released into the atmosphere. Vehicles also give out, and so add, carbon dioxide to the atmosphere."

Arti
"Saat bahan bakar fosil atau bahan bakar lainnya seperti kayu atau gambut yang mengandung karbon dibakar, karbon dioksida dilepaskan ke atmosfer. Kendaraan juga berkontribusi sehingga menambah kadar karbon dioksida di atmosfer."

Kalimat 2 sampai 4 di paragraf 2
"The Earth reflects much of the heat energy back into the atmosphere, but much of this reflected radiation cannot escape because gases such as carbon dioxide absorb it. They grow warm and send heat radiation back to Earth. This is the greenhouse effect."

Arti
"Bumi memantulkan kembali banyak energi panas ke atmosfer, tapi banyak dari radiasi hasil pantulan ini tidak bisa keluar dari atmosfer karena gas-gas seperti karbon dioksida menyerapnya. Atmosfer menjadi hangat dan mengembalikan radiasi panas ke bumi. Ini disebut efek rumah kaca."

Dilihat dari arti kalimat-kalimat di atas, diketahui bahwa karbon dioksida di atmosfer memberikan efek berupa 'membuat suhu di atmosfer menjadi lebih hangat daripada biasanya' karena karbon dioksida menyerap banyak energi panas di atmosfer yang seharusnya dipantulkan. Ini sesuai dengan opsi D.

Jadi, jawaban untuk soal ini adalah D. It makes the atmosphere become warmer.

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