Question

the reason that many swimmers wear drag suits is because (1 point)
o drag suits can now be used in competition and swimmers need to practice using them.
o drag suits make it easier to swim because they float, making swimmers able to practice longer.
o drag suits make swimming easier so the swimmers become stronger and more competitive.
o by swimming harder in practice, they will become stronger swimmers, making them more competitive.

Explanation:

Drag suits increase water - resistance during practice. By swimming against this extra resistance, swimmers build more strength, preparing them better for regular - suit swimming in competition, thus becoming more competitive.

Answer:

by swimming harder in practice, they will become stronger swimmers, making them more competitive.