Useful Phrases - To provide cause or reason

Question 1

This is because

Answer 1

A vast majority of people prefer cycling. This is because riding a bicycle to work is healthier than driving

Question 2

This may be caused by

Answer 2

This may be caused by the effects of global warming

Question 3

This can be explained by

Answer 3

This can be explained by the fact that movies have been considered fashionable and entertaining

Question 4

The reason for this is that

Answer 4

The reason for this is that happiness means different thing to different people