- Metal is a kind of natural resource
- Aluminum is a kind of metal
- Hence, aluminum is a kind of natural resource

- Aluminum is a kind of natural resource
- Aluminum cans are made of aluminum
- Therefore, aluminum cans are made of a natural resource

- Aluminum cans are made of a natural resource
- Recycling resources has a positive impact on the conservation of those resources
- Hence, recycling aluminum cans has a positive impact on the conservation of those resources

Therefore, recycling aluminum cans has a positive impact on the conservation of those resources
Question: One way that students can help conserve natural resources at school is by
Context: - Recycling resources has a positive impact on the conservation of those resources 
- Metal is a kind of natural resource 
- Aluminum cans are made of aluminum 
- Aluminum is a kind of metal