Match the example with the correct type of relationship

1. A dog barking and someone opening the front door. - Cause and effect relationship

2. A student studying for hours and receiving a high grade on a test. - Cause and effect relationship
3. A car speeding up and the distance between it and the car ahead decreasing. - Cause and effect relationship
4. Two best friends laughing at the same joke. - Synchronous relationship
5. A cat hissing and a dog running away. - Cause and effect relationship
6. A person putting on sunscreen and not getting sunburned. - Cause and effect relationship
7. A plant receiving sunlight and growing taller. - Cause and effect relationship
8. A chef adding salt to a dish and the taste becoming more savory. - Cause and effect relationship