O2 is a Gas , we aspire it from the air
Biochemistry because it does not have to do with the erosion
The stamen of a flower <span>is the pollen-producing reproductive organ in a flower. (found at the bud)</span>
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
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.
