Say what the name for the following are: -Eggs of lage fishes ...

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Say what the name for the following are:
-Eggs of lage fishes
-The food people in Russia usually eat during Maslenitsa week
-A small group of houses in the country, which is not a settlement and is smaller than a town
- A ship which travels in space
- A person who knows much about a science
- Systematik knowledge
ПОМОГИТЕ PLEASEEEEE!!!!! БОЛЬШОЕ ВОЗНАГРОЖДЕНИЕ!!!!!!