Question

Which of the Following are Correct?
1. It takes more energy to make 1 kg of paper than it takes to make
1 kg of steel.
2. There is up to 30 times more gold in a tons of old mobile phones
than in a tons of gold ore.
3. It takes around 2,700 litres of water to make a single cotton
t-shirt.
4. The term sustainability has its most known roots in the 1987
Brundtland Report which officially defined sustainable development
for the first time.
5. When organic matter is landfilled, it decomposes and produces
carbon monoxide gas which is up to 34 times more powerful than
carbon dioxide over a century, thus contributing to climate change.
6. Recycling one ton of paper saves 17 trees.
7. Norway has the best recycling rate in the world.
8. Tropical forests cover less than 7 percent of Earth's landmass
but are home to about 50 percent of all living things on the planet.
9. In many parts of the world, such as France and Japan, donkeys
are used as a natural form of pest control.
10. Global water demand for manufacturing is expected to increase
by 400% from 2000 to 2050.
11. The use of natural gas is the cause of 40% of the carbon dioxide
emissions from fossil fuels.
12. Hydropower is the most widely-used renewable power source. It
accounts for more than 54% of the global renewable power
generation capacity, and 18% of the world's total power generation

Answer 1

1

4

5

8

12

(I'm not sure)