1. Which of the activity below add less carbon dioxide to the environment?a. Burning fossil fuels
b. Afforestation
c. Burning forest
d. Dead marine creature

2. How does the carbon in vegetables become part of human?
a. The human plant the vegetable
b. The human eats the vegetables
c. The vegetables sold in the market
d. The vegetables eats by the goat

3. Which of the following example is the big issue cause by the global warming?
a. It causes to a big growth of citizen
b. It causes to the decrease of global temperature
c. It causes climate change and increases of global temperature
d. It causes to the increase of the animal growth

4. Which of the following example is the main problem of fossil fuels?
a. It is cheap
b. Fossil fuels are renewable sources
c. No carbon emission
d. Non – renewable sources

5. Which of these human activities is the main reason for releasing green house
gases?
a. Texting on a cell phone
b. Eating meats
c. Burning fossil fuels
d. Using bottled water

6. Which of the following is the cause for land pollution?
a. Planting more trees
b. Littering
c. Throwing rubbish into the right place
d. Harvesting crops

7. Which of the following is the main cause of water pollution?
a. Swimming in the pool
b. Throwing rubbish into the river
c. Catching fishes using fishing rod
d. Carpool

8. In many countries, river water is used for washing clothes. The same water
is not safe to be used for drinking. Why?
a. Because the water contains soap which is not good for health
b. Because it is safe from bacteria and germs
c. Because it is clean
d. Because it is fresh water
9. Which of the following is the way how petroleum made from dead organisms?
a. Heated – stirred
b. Buried – compressed – heated
c. Fried – eats
d. Eaten by larger organisms

10. Which of the following is a non - renewable resource that formed by the
remains of organisms that lived long ago?
a. Wind
b. Geothermal
c. Petroleum (crude oil)
d. Nuclear energy