You need to understand that the swimmers need to see where they are going, so pool lanes must be visible in the water, the swimmers must have basic knowledge of swimming and water safety, and the swimmers need to stay on the right of the lane for the circle swim to work correctly.
D, by wearing protective clothing I believe.
Answer:
the first blank is enclosed
Explanation:
i dont know the rest but hope this helps. You need to just try and see which one makes the most sense for the rest of the blanks.Hope this helps !!! bye!!
Answer:

Explanation:
We need to write the value of
. It is a well known identity of algebra.

Here,
b and c are any number.
We know that,
b² = b×b
bc = b × c
Hence, this is the required solution.