Answer:
What else did this question provide??
Explanation:
TAIGA The Taiga experiences extremely cold or hot weather conditions.
The thyroid is a butterfly-shaped organ located in the center of the neck. It produces hormone controlling speed of one's metabolism. When a person's thyroid does not work properly the person most likely to experience the following symptoms: Change in weight, Neck swelling, heart rate changes, mood swings, hair loss, feeling too cold or hot. For hypothyroidism one can experience dry skin, brittle nails, numbness in the hands, constipation, abnormal menstrual periods. For hyperthyroidism includes muscle weakness, vision problems,diarrhea and irregular menstrual period.
we know that
the surface area of the top of the water
is calculated with the formula of the area of a circle

Step 1
Find the radius of the water tank in the middle of the tank
by proportion

so
For h=5 m
the radius is equal to r=1.5 m
Step 2
Find the surface area


therefore
the answer is
the surface area of the top of the water is 
Sleep? it works alot it helps the mind relax