Yes whales can stay under water for more than an hour, unless they are still babies then they need to have oxygen sooner.
Yes, even thought they are mammals and need to breathe air, they can stay underwater for long periods of time.
None. Whales breath air above the surface of the water.
Yes. A whale can stay underwater for an hour.
yes they can because they can
yes
Yes. A whale can stay underwater for an hour.
Adult gray whales can stay underwater for approximately 10 - 15 minutes.
sperm whales can stay underwater for 90 minutes
40 minutes
A whale CAN drown- they cannot stay underwater indefinitely. When underwater, they hold their breath. They are REALLY good at holding their breath, and their bodies have adapted to doing that.
Yes, unless they are babies.
No but they go up to the surface every 30 minutes.
yes
They don't stay underwater longer than whales.
Yes it is, as if you stay underwater for too long, your lungs can't take it, and you may choke/ faint. Only a few mammals (whales, dolphins, porpoises, etc.) can stay underwater for long periods of time.
Some Can
No sorry on animals that MUST stay in the water like dolphins or fish or whales