Ozone Depletion Flashcards

(14 cards)

1
Q

What protects the Earth from harmful ultraviolet radiation? ————

A

Ozone Layer

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2
Q

It absorbs harmful UV radiation from the sun and is essential for protecting life on Earth. ————

A

Ozone Layer

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3
Q

What are the causes of ozone depletion? ————

A

chloroflourocarbons (CFCs) and halons, released from refrigeration, aerosol sprays, and fire extinguishers

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4
Q

Give one of the four effects of ozone depletion. ————

A

Increased UV radiation exposure, higher risk of skin cancer and cataracts, weakened immune systems, and damage to crops and marine ecosystems

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5
Q

Name the dangerous radiation from the sun. ————

A

UV-A, UV-B, UV-C

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6
Q

It is the most dangerous radiation but blocked by an ozone layer ————

A

UV-C

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7
Q

This type of radiation causes sunburn and skin cancer ————

A

UV-B

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8
Q

This type of radiation can cause skin aging and immune system suppression ————

A

UV-A

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9
Q

Give one of the 3 impacts of ozone depletion on the environment ————

A

reduced crop yields and forest damage, harm to marine life (plankton, fish eggs), disruption of the food chain and biodiversity

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10
Q

Give the 4 solutions to ozone depletion ————

A

reduce the use of CFCs and ODS (ozone-depleting substances), follow the Montreal Protocol regulations, promote eco-friendly alternatives, raise awareness and support environmental policies

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11
Q

It is a global agreement signed in 1987 ————

A

Montreal Protocol

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12
Q

It aims to phase out ozone-depleting substances ————

A

Montreal Protocol

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13
Q

The [blank] has significantly reduced CFC emissions ————

A

Montreal Protocol

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14
Q

The [blank] expected full recovery of the ozone layer by mid-century ————

A

Montreal Protocol

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