Quadrilaterals, diagonal of a quadrilateral, types of quadrilaterals, rectangle, square, parallelogram, rhombus, trapezium, regular trapezium, kite, angle sum of a quadrilateral and applying properties of quadrilaterals to solve problems.
Sperm whales make some of the longest dives achieved by mammals, with some lasting up to 90 minutes, while dolphins and other whales can stay underwater for 20 minutes. The longest time a human has held their breath for under water is 19 minutes â set by a Swiss freediver called Peter Colat.
Nursing Habits. Whales, like humans, spend a great deal of time nursing their young. Killer and humpback whale calves nurse just a few hours after birth and continue to do so for a year or more. Killer whales nurse at all hours, but only for a few seconds at a time.These brief nursing sessions add up to an average of 90 minutes each day. Blue whale calves drink 100 gallons of milk every day for the first seven months after their births.iller whales nurse at all hours, but only for a few seconds at a time. These brief nursing sessions add up to an average of 90 minutes each day. Blue whale calves drink 100 gallons of milk every day for the first seven months after their births.