Sure! Here are the rewritten sentences:

94. The train was delayed due to thick fog.
**Because of the thick fog, the train was delayed.**

95. The cake was delicious because she followed the recipe carefully.
**Because she followed the recipe carefully, the cake was delicious.**

96. She was absent from school because her mother was ill.
**Because her mother was ill, she was absent from school.**

97. She could afford the trip because she saved money.
**Because she saved money, she could afford the trip.**

98. We couldn’t study because some classmates were noisy in class.
**Because some classmates were noisy in class, we couldn’t study.**

99. Mary can’t sleep due to her husband’s loud snoring.
**Because of her husband’s loud snoring, Mary can’t sleep.**

100. All the teachers love him because of his good academic performance and conduct.
**Because of his good academic performance and conduct, all the teachers love him.**