Questions were added on Oct. 25, 2022.
Daily quiz for March 29, 2022, on Earth, the climate crisis, endangered animals, and nature: How many tree species are on Earth? Which company is the world’s biggest plastic polluter? What’s the world’s largest plant? And what is marine snow? Take the 2022 Earth Quiz!
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22 climate and nature questions from 2022. 30 Seconds per answer. How many questions can you answer in under 11 minutes?
Earth Quiz 2022 Trivia Questions
Here’s the complete list of our Earth quiz questions and multiple answers.
What’s the difference between a centipede and a millipede?
Aggyrolemnoixytes/Paul Marek, CC BY 4.0, via Wikimedia Commons
What’s Hunga Tonga-Hunga Ha’apai?
Photo: NZ Defence Force, Public domain, via Wikimedia Commons
What's Jonah's icefish?
Which oceanic mammal doesn’t belong on this list?
Screenshot: Nat Geo Wild on YouTube
How many countries met the World Health Organization’s air quality standards in 2021?
Photo: Vasily Iakovlev, CC BY 4.0, via Wikimedia Commons
What's marine snow?
Photo: NOAA National Ocean Service, Public domain, via Wikimedia Commons
Which natural phenomenon is nicknamed in New Zealand "aurora of the sea"?
Sander van der Wel, CC BY-SA 2.0, via Wikimedia Commons
What is the world's largest penguin?
Photo: Denis Luyten, Public domain, via Wikimedia Commons
What's the world's largest plant?
How is the Bali myna different from other myna species?
Photo: Rolandandika, CC BY-SA 4.0, via Wikimedia Commons
Which company is the world's biggest plastic polluter?
Photo: Raceforwater, CC BY-SA 4.0, via Wikimedia Commons
How many times has the UK ever seen a Red Extreme Heat warning?
Screenshot: BBC News
What is this?
Photo: USFWSmidwest, Public domain, via Wikimedia Commons
How many US states share the Colorado River water?
Photo: SpaceEconomist192, CC BY-SA 4.0, via Wikimedia Commons
How is the Naegleria fowleri amoeba deadly?
Photo: CDC/ Dr. Govinda S. Visvesvara, Public domain, via Wikimedia Commons
Why are wax worms - moth larvae - called this way?
Photo: Sam Droege, Public domain, via Wikimedia Commons
As of Oct. 2022, what's the size of the Antarctic ozone hole?
Image: NASA Ozone Watch
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We Stand with Ukraine
It seems everybody these days has to publically declare their position on the brutal Russian invasion of Ukraine. We stand with Ukraine and its people, fighting against military forces attacking civilians. We salute their heroic battle for democracy. We stand with every nation fighting against tyranny and for human rights. Our empathy goes to the Russian people, Belarussians, and all who suffer under oppressing governments, including soldiers forced to die in the name of their leaders. We also side with the truth, so here’s a quick list of reliable sources on the conflict.