Organize the steps in homeostasis in the order in which they occur.

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.

The first step in treating water from a river or lake is usually

Feelings of can undermine group members’ performance on iq tests.