Friday Huddle

According to National Geographic, how much water is available to fuel and feed a population of 7 billion people?

• 0.007%

• 2%

• 1%

• 5%

Answer explanation

About 2% of the 71% of the water's planet is fresh water and only 0.007% is available for use.

Which gas forms 80% of the Earth's Atmosphere?

• Nitrogen

• Oxygen

• Argon

• Carbon

Answer explanation

If you breathed pure oxygen, the energy from your food would be released all at once. ... Oxygen radicals harm the fats, protein and DNA in your body. This damages your eyes so you can't see properly, and your lungs, so you can't breathe normally.

The distance from Earth to the sun can be calculated as 1 Astronomical Unit. What is the Kilometre equivalent?

• ~300 million Km

• ~1 million Km

• ~150 million Km

• Can't be converted, speed is different in space

Answer explanation

Fun fact: Earth to Pluto is about 28 AU away, doesn't seem very far until you convert!

The damage Chernobyl nuclear power plant is situated in which country?

• Japan

• Russia

• Ukraine

• Kazakhstan

Where do most of the earth's breathable oxygen come from?

• Amazon Rainforest

• Grassland

• All other forests

• Ocean

Answer explanation

Did you know, over the past 50 years, the number of dead zones in the ocean has quadrupled? The warming of the earth results in warmer water which can carry less oxygen.

To what country do the Canary Islands belong to?

• Mexico

• Spain

• UK

• Canada

What is the most recent period (proposed name) in Earth's history when human activity started to have a significant impact on the planet's climate and ecosystems?

• Miocene

• Anthropocene

• Holocene

• Eocene

Answer explanation

we are officially in the Holocene (“entirely recent”) epoch, which began 11,700 years ago after the last major ice age.

What is the threshold that separates a black hole between the hole and space called?

• Threshold Wall

• Event Horizon

• Black Wall

• Proton Field

Answer explanation

Did you know, if you were to theoretically move closer to the event horizon, in order to not be pulled in by the gravitational force of the black hole itself, you would have to move faster than the speed of light!

Which best describes the role of the Arctic?

• It keeps the ocean cool like a glass of water

• Reflects light back into space

• Nothing, it's was form during the ice age.

• Provides drinking water

Answer explanation

The albedo effect: Ice is white so it reflects sunlight back into space rather than absorbing it. Less ice, more absorption, warmer earth, faster melting.

What is the capital of New Zealand?

• Auckland

• Christchurch

• Wellington

• Whakatane

Answer explanation

Did you know, New Zealand has had three capitals with Wellington now being the official country's Capital.