the habitat of this animal is the north pole. its height on its hind legs is 1.8-2.4 meters. the average weight of the male is 450kg, and the weight of the female is 150-250kg. polar bear food is fish, ringed seal, bearded seal, walrus and other marine animals. The polar bear is a very mysterious animal.The polar bear is the largest land predator on Earth. Polar bears often travel on drifting ice floes.The polar bear's sensitive nose allows it to sense prey at a distance of up to one and a half kilometers, hidden under a meter thick snow. they are such interesting animals.
The habitat of this animal is the north pole. its height on its hind legs is 1.8-2.4 meters. the average weight of the male is 450kg, and the weight of the female is 150-250kg. polar bear food is fish, ringed seal, bearded seal, walrus and other marine animals.The polar bear is the largest land predator on Earth. Brown bears dig dens in the ground, and white bears - in the snow, and such a den usually has several rooms and even a hood.In warm and humid conditions, a polar bear's fur can turn green due to algae that begins to grow in it. The skin of a polar bear is black and the tongue is blue.Despite their impressive size, polar bears can reach speeds of up to 40 km / h while running.
Я особо не понял вопроса насчет определения, если некоторые глаголы можно понять, а некоторые даже не поставлены в нужное время:
1) works, knows - Present Simple
2) When did you have breakfast yesterday? I had breakfast at nine in the morning: did have, had - Past Simple
3) will learn - Future Simple
4) were - Past Simple
5) have to - модальный глагол (но now указывает на Present Continuous)