Question

1. how many unwritten rules of texting are there?

too many to count
18
14

Explanation:

To determine the number of unwritten texting rules, we analyze the options. Typically, in relevant contexts (like studies on texting etiquette), the number of unwritten texting rules is often presented as "too many to count" as texting norms are diverse and context - dependent, making a fixed number (18 or 14) less likely.

Answer:

A. too many to count