Duluth.com Presents: An Earth Day Quiz

The first Earth Day began in 1970, on March 21, the first day of spring in the northern hemisphere. This year marks the 46th Earth Day. Think you know your stuff about planet earth? Take our quiz and test your knowledge.

Question #1: Life began in the ocean 3.1 – 3.4 billion years ago. Land dwellers appeared approximately how many years ago?

Life began in the ocean 3.1 billion to 3.4 billion years ago. Land dwellers appeared approximately 400 million years ago, relatively recently in geologic time.

Question #2: 71% of the earth’s surface is covered by _________?

Question #3: Which is the world’s largest body of water?

Question #4: Reaching speeds up to 70 mph, what is the fastest fish in the ocean?

Bluefin Tuna
Striped Marlin
Barracuda
Sailfish
Sailfish are the fastest fish in the ocean, able to maintain speed with a cheetah on land at 70mph. The striped marlin holds second at speeds up to 50mph. Bluefin tuna can reach quick bursts of 47mph, with barracuda only reaching 27mph.

Question #5: What is the world’s largest desert?

By definition, deserts are areas that receive less than 10 inches of precipitation (in the form of rain or snow) annually. Antarctica is the largest desert in the world, with an area of 5,400,000 square miles. The Sahara Desert in Africa is second largest at 3,300,000+ sq mi. Africa's Kalahari Desert falls 5th largest on the list with 360,000 sq mi, and the Syrian Desert 8th at 200,000 sq mi.

Question #6: Located in the White Mountains of California, what is the oldest species of tree on Earth?

Bristlecone Pine
Giant Sequoia
Western Juniper
Sacred Fig Tree
Named Old Hara, the single oldest living tree in the world is a Bristlecone Pine aged 5,065 years.

Question #7: Which gas is most abundant in Earth’s atmosphere?

78% of Earth's atmosphere is nitrogen.

Question #8: True or False? The 21.5 million tons of food waste generated each year, if composted, would reduce the same amount of greenhouse gas as Taking 2 million cars off the road.

Question #9: Recycling one aluminum can saves enough energy to _______.

Question #10: The largest animal on our planet ever recorded is ___________.

Brachiosaurus Dinosaur
Blue Whale
Humpback Whale
Paraceratherium
The blue whale is thought to be the largest animal ever to live on Earth. The heaviest blue what was weighed at 190 metric tonnes for a specimen measuring 30 meters. Longer whales have been recorded at 33.4 meters but not weighed.

Question #11: True or False: The U.S. today has fewer living trees than 100 years ago.

The US contains 8% of the world’s forests. According to the Food and Agriculture Organization (FAO), "Forest growth nationally has exceeded harvest since the 1940s. By 1997, forest growth exceeded harvest by 42 percent and the volume of forest growth was 380 percent greater than it had been in 1920."

Question #12: In what year did Wisconsin Senator Gaylord Nelson found the first Earth Day?

Question #13: Just last week, the Netherlands proposed an ambitious bill that would ban the sale of __________ by the year 2025.

It's true, Dutch politicians want to ban all gas and diesel cars by 2025. Read the article here: http://www.techinsider.io/dutch-ban-on-gas-and-diesel-cars-by-2025-2016-4

Question #14: The Western Lake Superior Sanitary District (WLSSD) wastewater treatment plant in Duluth treats how many gallons of wastewater from homes, business and industries every day?

Each day, 40 million gallons of wastewater throughout the WLSSD service area flows to the regional wastewater treatment plant through a 75-mile network of interceptor sewers. Read more about process here: http://wlssd.com/services/wastewater/

Question #15: How many tons of garbage pass through the Western Lake Superior Sanitary District (WLSSD) Transfer Station each year?

Independent garbage haulers pick up garbage from area residents and businesses and deliver it to the WLSSD Transfer Station, where the material is inspected and loaded into larger trucks for transport to the Moccasin Mike Landfill, owned and operated by the City of Superior, Wisconsin. More than 120,000 tons of garbage passes through the WLSSD Transfer Station each year.

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