bert realizes that his fish tank has a slow l...
bert realizes that his fish tank has a slow leak. to fix it, he first removes some water, repairs the hole with sealant, and gives the new sealant time to dry. then, he gradually refills the tank. which graph could show the water level in berts fish tank from the time it started leaking until the time it was refilled?
Answer
# Explanation:
## Step1: Analyze the leak phase
The water level decreases slowly due to the leak, so the graph should have a gentle - downward slope at the start.
## Step2: Analyze the repair - related actions
Bert removes some water, which causes a steeper drop in the water level. Then he repairs the hole and waits for the sealant to dry. During this time, the water level remains constant, so there should be a horizontal line on the graph.
## Step3: Analyze the refill phase
Finally, he gradually refills the tank, so the graph should have an upward - sloping line.
The second graph shows a gentle downward slope at first (leak), then a steeper drop (removing water), a horizontal line (repair and drying), and then an upward slope (refilling).
# Answer:
The second graph.