Нужно исправить (ошибки) предложения, помогите пожалуйста!
1) 250 kinds of fish are fished out only in the seas of Russia.
2) Fish contains the same number of valuable substances as meat.
3) It isn’t assimilated better.
4) We can use it widely in dietary nourishment.
5) You can fry, boil, bake and stew it.
6) You can’t prepare fish in jelly.
7) It can be served in hot state with different trimmings.