Question

Write T for true and F for false statements.
_________________________________

1. Calorific value is the amount of heat produced by 1 gram of fuel -
2. Oxygen is produced by plants during photosynthesis-
3. Large-scale deforestation increases carbon dioxide in the air-
4. Activities such as deforestation and the burning of fossil fuels increase the concentration of oxy- gen in the air-
5. Carbon dioxide, methane and nitrous oxide in the air prevent the solar radiation reflected from the earth's surface from returning to space-
6. Global warming is the increase in the temperature of the earth's surface due to an increase in the concentration of some gases-​

Answer 1

Answer:

1.True

2.True

3.True

4.False

5. Not sure

6.True

Please Let me know if anything is wrong

Answer 2

Answer:

1. TRUE

2.TRUE

3.TRUE

4.FALSE

5.FALSE

6.TRUE