The word playfulness is a noun. It is an uncountable noun.
Dogs typically interpret their reflection as another dog and may display curiosity, playfulness, or even aggression towards it. This ability varies among individual dogs, with some learning to recognize themselves over time.
The verb of playfulness is play. As in "to play somewhere or with someone or with something".
Muscular pain causes high CK levels in dogs
graceful playfulness
The population of dogs increase because in these hard econmic times people don't have that much money so they can take care of there dogs.
Yes, the noun 'playfulness' is an abstract noun, a word for a feeling of fun and high spirits, an emotion.
Gravity.
It causes blood pressure to increase.
the main causes of the inflation is increase in the percapita income and this results in increase in the standard of living of the people .. and the other one is increase in the percapita income in our country
Can be a sign of diabetes or cushings disease. Check here for canine diabetes and cushing disease http://k9diabetes.com/forum/index.php?referrerid=18
babys i think