10 minutes of brushing, two or three times a day with an abrasive substance like toothpaste will strip away the surface of your teeth. If you use a hard-bristled toothbrush, the effect will be even more severe.
Homeostasis is maintained by negative feedback loops within the organism. In contrast, positive feedback loops push the organism further out of homeostasis, but may be necessary for life to occur. Homeostasis is controlled by the nervous and endocrine systems in mammals.
a transform boundary because the two plates pass each other in that same plane and the blocks of rock move in opposite horizontal directions .
The answer to the question is Oxyen
