Pls tell me anyone if teeth goes into drain then the next teeth will be black?​

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.

Which of the following identifies a main culprit for america’s increasing weight gain

Which strategy is appropriate for managing stress? complain to a loved one about your responsibilities. ignore the cause of the stress. try to think positively instead of negatively. pretend you are okay even if you’re not.