acid rain
how does acid rain affect forests?
nature (trees, leaves, soil) damage
what global disease spread rapidly in 2020?
COVID-19
which animals are most affected by ocean pollution?
sea turtles, sea birds, whales and fish
what is greenhouse effect?
trapping heat in Earth’s atmosphere
why is plastic dangerous for oceans?
long decomposing, harming marine life and ecosystem
why is acid rain harmful to lakes and rivers?
lowers pH, kills aquatic life
which insects are known for spreading serious diseases such as malaria?
mosquitoes
what are “dead zones” in ocean?
areas with lack of oxygen
how much arctic sea ice has decreased?
how much plastic is produced globally each year?
over 400 mil. tons
what is the pH value of acid rain compared to normal rain? (tolerance 0.2)
pH 5.6, more acidic
difference between epidemic and pandemic?
epidemic- spreading within country
pandemic- spreading worldwide
what is the Great Pacific Garbage Patch?
”plastic island” - huge area of floating plastic waste
which gas is the most significant contributor to global warming?
CO2
what are microplastics?
plastic particles smaller than 5 mm
which human activity is the biggest source of acid rain?
burning fossil fuels
which disease is caused by air pollution exposure?
lung diseases (asthma)
how long does plastic take do decompose? (plastic bottle, tolerance 10 years)
depends on the type, plastic bottle - circa 450 years
what would happen if there were no greenhouse effect at all?
earth would be cold, freezing (no life)
what percentage of plastic is recycled?
only about 9%
what gases are mainly responsible for acid rain formation?
SO2, NOx
what is the difference between a virus and bacteria?
bacteria- living cells, cell structure
virus- need a host to reproduce, virion
how much plastic enters the ocean every year?
difference between greenhouse effect and global warming?
green house effect= natural process
global warming= its increase
how long does plastic bag take to decompose?
10-20 years —> microplastics