English
1. How long are blue whales?
 They are about 30 meters long.
12. How big are blue whales?
 They are about 30 meters long.
2. How much does a blue whale eat?
It eats about 4 tons of krill each day.
3. Every day, how much do baby blue whales drink their mother's milk?
 They drink 200 liters of their mother's milk.
4.How long do sea horses move?
 They move only 2 meters an hour.
5. How fast can Border Collies understand new commands?
They can understand new commands after only a few times.
(Are the questions and answers correct? Would you check them, please?)

1. OK
12. How big are blue whales?
 They are about 30 meters long and are estimated to weigh about 180 metric tons.
2. How much does a blue whale eat?
It eats about 4 tons of krill each day.
3. How much mother's milk does a baby blue whale drink each day?
 It drinks about 200 liters of its mother's milk.
4.How fast/quickly do sea horses move?
 They move only 2 meters an hour.
5. How quickly can Border Collies learn new commands?
They can understand new commands after only a few times.posted by Writeacher
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