Question

B give reason( 1 )why fish are put in the tank​

Answer 1

Answer:

to breathe

Explanation:

Fish do not have lungs instead they have gills which ease them to breathe the oxygen that is dissolved in water

Answer 2

Explanation:

• This is when fish constantly swim up and down the sides of the aquarium glass. One reason they do this is stress. It could mean they aren't happy in their environment, for one reason or another. ... Watching out for signs of stress and taking action to reduce it can go a long way toward keeping happy, healthy fish