V. Choose the word (A, B, C or D) that best fits the blank space in the following passage.

Riding a bike to school is a great way for students to _____23_____ both their health and the _____24_____. It provides exercise and fresh air, helping students stay physically and mentally healthy. Additionally, biking is an _____25_____ alternative to driving or taking the bus, which can reduce traffic congestion and ____26______ around schools. Riding a bike can also save time and money for students who may otherwise have to wait for buses or deal _____27_____ traffic. Overall, biking to school can be a fun, healthy, and practical way for students to commute and make a _____28_____ impact on the environment.

which can reduce traffic congestion and ____26______ around schools.