Shahd Galal Eldin Saad Okba
نتيجة الإختبار - G8 U2 L2 GE
اسم الطالب : Shahd Galal Eldin Saad Okba
المدينة : 51
Sunday , 15 December 2024 - 06:42 PM10 من 10
السؤال - 1
Ozone gas molecule consists of ..........
four oxygen atoms.
two oxygen atoms.
three oxygen atoms.
one oxygen atom.
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السؤال - 2
The ozone layer does not allow the passage of all .......... ultraviolet rays.
far
medium
near
normal
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السؤال - 3
....... compounds are known commercially as freon.
Halons
Nitrogen oxides
Hydrocarbons
Chlorofluorocarbon
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السؤال - 4
Ozone degree is measured in a unit called ..........
km.
Dobson.
mm3
nm.
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السؤال - 5
........ is/are used in extinguishing fires.
Methyl bromide gas
Halons
Nitrogen oxides
UV radiations
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السؤال - 6
Greenhouse effect explains .........
erosion of ozone layer.
global warming phenomenon.
a new way of agriculture.
water evaporation.
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السؤال - 7
All of the following gases are greenhouse gases except .........
CO2
O2
N2O
CH4
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السؤال - 8
......... is/are among the reasons for increasing CO2 gas percentage.
Watering the land
Cutting trees only
Forests fires only
Cutting trees and forests fires.
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السؤال - 9
.......... radiation is characterized by thermal effect.
Infrared
Ultraviolet
Visible light
X-ray
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السؤال - 10
........ is from the animals that will extinct due to the melting of ice in the north and south pole (as a result of global warming).
Polar bear
Blue whale
Mammoth
Squirrel
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