Morgan read this paragraph in a book about winter sports. The first ice skates were made with animal bones that people used to slide over frozen lakes and rivers. Ice-skating has become a very popular indoor and outdoor sport all over the world. It is great exercise, too. Ice-skating for thirty minutes burns over 250 calories and strengthens leg muscles. Ice-skating is a great way to spend free time. What is the writer's opinion, and which evidence best supports it? The writer's opinion is that ice skates were made with animal bones. This opinion is supported with evidence that ice-skating is very popular. The writer's opinion is that ice-skating is a great way to spend time. This opinion is supported with evidence that ice-skating is a very popular sport all over the world. The writer's opinion is that ice-skating is popular all over the world. This opinion is supported with evidence that ice-skating strengthens leg muscles. The writer's opinion is that people used ice skates to slide over lakes. This opinion is supported with evidence that ice-skating is a great way to spend time.