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Unit 6 - Lesson2 : Problems With the Ozone layer - English 2nd Year Secondary term 1
السمات:
Ozone layer طبقة الأوزون |
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Unit 6 - Lesson2 : Problems With the Ozone layer - English 2nd Year Secondary term 1
السمات:
Ozone layer طبقة الأوزون |
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Vector generated image of Pigeon constitute the family Columbidae within the order Columbiformes, which include some 300 species of near passerine birds. In general parlance the terms ""dove"" and ""pigeon"" are used somewhat interchangeably. In ornithological practice, there is a tendency for...
السمات:
Pigeon feathers nature animal zoo wildlife birds bird forest feather aves blank white |
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Vector generated image of Pigeon constitute the family Columbidae within the order Columbiformes, which include some 300 species of near passerine birds. In general parlance the terms "dove" and "pigeon" are used somewhat interchangeably. In ornithological practice, there is a tendency for "dove"...
السمات:
Pigeon feathers nature animal zoo wildlife birds bird forest feather aves blank white |
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Vector Generated Image of Air pollution By Vehicles:Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere. The atmosphere is a complex,...
السمات:
Air pollution By Vehicles Air pollution Car Smoking car Car polluting the air with smoke |
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Vector Generated Image of Air pollution By Industries:Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere. The atmosphere is a...
السمات:
Air pollution By Industries Air pollution Factory industry chimney smoke |
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Vector Generated Image of
Ozone hole:Ozone depletion describes two distinct, but
related observations: a slow, steady decline of about 4%
per decade in the total volume of ozone in Earth's
stratosphere (ozone layer) since the late 1970s, and a
much larger, but seasonal,...
السمات:
OZONE HOLE blank white |
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