No, they are cats, and cats don't build, but beavers make dams.
Weirs are man made obstacles in rivers. They are similar to dams as they allow water to pool behind them and let water flow over them. They are used to alter the flow of a river to make it navigable.
dams
We construct dams to make sure water doesn't flood states and cities.
beavers make dams
no thetydon't
make dams
we can make dams
They build dams. The dams make the water very smooth. This causes more animals to come
dams
they do and it is called hydroelectricity currents
cines people