The correct option is A.
Puppies normally growl when playing; this type of growling is not aggressive. The growling that are made in such situations indicate the pleasure of the puppies as they are playing together, such growl does not result in biting or any other injuries.
Carbon dioxide + water glucose + oxygen
First deforestation takes away trees which help absorb the carbon in the air and second if you burn the trees you release the carbon in the trees