cause and effect

The mother was angry with her daughter (because/ because of) her laziness and untidiness.

(As/ because of) the weather is warm and sunny, the Robertsons are planning to go for a picnic.

I couldn't come to school two days ago (due to / as) my terrible flu.

Jane's unhealthy diet (result in/ so) her obesity.

I wasn't paying attention to the teacher (so/ lead to) I didn't understand the lesson.

We canceled the trip (as/ because of) the bad weather.

Your irresponsible actions (so / lead to) this issue.

More and more people get to work late everyday (because of/ since) the heavy traffic in the city centre.

Her stress may (lead to / so) physical illnesses.

Steven went to the shopping center last Sunday (because/ due to) he needed a new laptop.

She sat down (because / due to) she was feeling dizzy.