Question

Проверьте пожалуйста на грамотность!

The most popular sport in Russia is football. They are engaged in a lot of people, because this sport is available to all! It can be played by children and adults, weak and strong. My favorite sport is swimming. There are many types of navigation. My favorite is swimming with flippers.

Answer 1

"They are engaged in a lot of people"
There are a lot of people, engaged in it

"is available to all"
is available to everyone

"navigation"
natation