Answer: internal sphincter
Explanation: a type of muscular valve. It helps prevent urine from leaking out.
the answer is Bacteria
Answer:
Choose the correct label for each part of the experiment.
The plants that are under a UV light for eight hours
A. Experimental group
The amount of water that is given to all of the plants
D. controlled Variable
The plants that are under the light for six hours
B. Control Group
Explanation:
0.16
0.16 = 1-0.84
they are complementary