geo Flashcards
(45 cards)
how old is the universe and the earth?
universe-14.8b
earth-4.5b
what are the sections of the universe?
- super clusters
- clusters
- galaxy groups
- galaxy
- solar system
- planets
what makes a planet?
- spherical in shape
- biggest object in its lane
- revolves around the sun
whats the earths inclination
23.5 degrees
layers of the earth
- crust
- mantle
- outer core
- inner core
percentage of land and water on earth
land- 21%
water- 79%
youngest country
South sudan
amount of countries
196
area of malta, gozo, comino and altogether
malta-286km 2
gozo-26 km 2
comino- 4km 2
together- 316km 2
population of malta
600,000
when did malta join the eu
2004
length and width of malta
length-27km
width-17km
amount of local counsils in malta and main rock
68 local counsils
limestone
when did the industrial revolution start
late 1700s
fossil fuels
coal, oil, natural gas
where did the industrial revolution start
uk and usa
carbon dioxide is a _______ and is produced by _______
greenhouse gas
burning fossil fuels
why do we need fossil fuels
electricity, transport, construction, machinery, tarmac, industry and plastic
who is al gore
a man who spoke up about global warming and climate change, he said things against oil companies so he was subjected to ridicule and ppl said it was fake
the greenhouse effect is
a natural function of the earths atmosphere to keep in some heat thats lost from the earth
greenhouse gases ______ the heat and the rest is reflected to _____
absorb
outer space
what increases greenhouse gases
burning fossil fuels, emissions of carbon dioxide, waste disposal, deforestation, beef industry-methane and agricultural practices- cultivation of rice- methane
consequences of greenhouse gases
sea level rise- migration, endangered animals and plants, food shortage, extreme weather like floods and droughts, diseases, glaciers and ice sheets are melting and humanity under threat
solutions to greenhouse gases
renewable energy, solar panels, wind turbines, reducing c02 emissions, aforestation and carbon capture technology