JS7-U45-D3 - Video Questions

Where do blocks of carbon come from?

• They come from volcanoes and any animal that breathes.

• They come from the trees during photosynthesis.

• They are available in the atmosphere.

What would carbon dioxide do when it is in the air?

• It is absorbed by the sun.

• It keeps the heat from escaping from the Earth.

• It releases the heat to space.

It creates a blanket of warmth, known as the _______ ________ that keeps our Earth from freezing like Mars

• Tetris Effect

• Greenhouse Complex

• Greenhouse Effect

• Carbon Effect

What will an increase in the amount of carbon dioxide do?

• It will increase the Earth’s temperature.

• It will warm up Mars, which is very close to the Earth.

• It will take less time to be absorbed by the Earth.

What happened over the past 8,000 years, according to the speaker?

• There were a lot of ice ages.

• Carbon was formed due to the asteroid impacts.

• We have a more stable weather.

About ____ years ago, we began digging up that old carbon that had been stored in the soil.

• 20

• 200

• 220

• 2000

Since 1750, the amount of carbon in the atmosphere has increased by __%, and shows no sign of slowing

• 4

• 40

• 44

• 400

What did the speaker mention about the fossil fuels and natural gas?

• They are the same as coal and oil.

• They helped people evolve.

• They are from the remains of dead plants and animals.

How can we fight global warming?

What is the effect of burning these fuels?

• It forms more carbon into the atmosphere.

• We can build more factories, cars, and power plants.

• Both a and b