Read the chapter and fill in the blanks.
Carbon dioxide is a _____emitted from burning of _____.
pollutant, water
pollutant, fossil fuels
useful gas, fossil fuels
useful gas, water
Find the odd man out:
Heating
Boiling
Warming
Cooling
Who said these sentences / words and to whom
This year the summer is too severe, how to bear with it?
Raju to Mother
Author to Reader
Mother to Raju
Reader to Raju
Write the missing letter.
Hur_ic_ne
r , e
r , a
r , k
k , e
Who said these sentences /words and to whom.
We should "Reduce, Re-use,Recycle" to produce paper, glass and metal products from recycled materials.
It is caused by the building up of green house gases in the atmosphere.
Emitted
Released
Absorbed
Breathe out
Protecting forests is a big step to stop _____
green house effect
global warming
deforestation
soil erosion
Green house gases are carbon dioxide, methane and _____
butane
carbon monoxide
nitrous oxide
Ammonia
Variation
Regulation
Change
Variety
