Purpose: The purpose of the excerpt is to inform and educate.
Cohesive Devices / Type of Cohesive Device
1. After - sequential
2. So - causal
3. Because - causal
4. Then - sequential
5. If - conditional
6. but - adversative
7. so - seqentual
8. or - adversative
9. when - sequential
10. for what- causal
Cohesive devices
These are the elements employed within text to achieve sense or the unity of text. They are otherwise known as cohesive ties. These are the glue between text which brings about its unity.
Therefore, the above are examples of cohesive devices.
learn more about cohesive devices from here: https://brainly.com/question/14147251