Ozone Depletion Flashcards
(14 cards)
What protects the Earth from harmful ultraviolet radiation? ————
Ozone Layer
It absorbs harmful UV radiation from the sun and is essential for protecting life on Earth. ————
Ozone Layer
What are the causes of ozone depletion? ————
chloroflourocarbons (CFCs) and halons, released from refrigeration, aerosol sprays, and fire extinguishers
Give one of the four effects of ozone depletion. ————
Increased UV radiation exposure, higher risk of skin cancer and cataracts, weakened immune systems, and damage to crops and marine ecosystems
Name the dangerous radiation from the sun. ————
UV-A, UV-B, UV-C
It is the most dangerous radiation but blocked by an ozone layer ————
UV-C
This type of radiation causes sunburn and skin cancer ————
UV-B
This type of radiation can cause skin aging and immune system suppression ————
UV-A
Give one of the 3 impacts of ozone depletion on the environment ————
reduced crop yields and forest damage, harm to marine life (plankton, fish eggs), disruption of the food chain and biodiversity
Give the 4 solutions to ozone depletion ————
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
It is a global agreement signed in 1987 ————
Montreal Protocol
It aims to phase out ozone-depleting substances ————
Montreal Protocol
The [blank] has significantly reduced CFC emissions ————
Montreal Protocol
The [blank] expected full recovery of the ozone layer by mid-century ————
Montreal Protocol