It is a good strategy to serve short when the receiver is in the front of the service square 

Emotional signs of stress include aches and nausea

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 is an example of a food group? a. oils b. vegetables c. water d. sweets