35 questions
What is global warming?
It's a global trend from scientists.
It's a concept from global economy.
It's the increase of Earth’s temperature.
It's something we shouldn’t care about.
Which of the following options DOES NOT contribute to global warming?
Factories
Cars
Power plants
Solar energy
How is the greenhouse effect produced?
When solar energy trespasses the atmosphere.
When some energy is reflected back to earth.
When the green house is burned.
When the sun doesn't emit radiation.
Which was the warmest year?
1888
1998
2005
2015