Which of the following is a compound-complex sentence?

dillon, a salesman, has very strong opinions about his competitors.

dillon is a salesman, but he hasn't shared his opinions about his competitors with me.

because dillon is a salesman, he has very strong opinions about his competitors.

because dillon is a salesman, he has very strong opinions about his competitors, but he hasn't shared them with me.

Ais a group of individuals of the same that exist in the same place at the same time

Me read the letter. dear aunt mary, you for the wonderful painting. you are so talented! i was thrilled that you chose to paint horses. you must have remembered that i was crazy about horses when i was a little kid—and i still love them. i have hung the painting in my room so that i can see it every morning when i wake up. your loving niece, celia what makes this letter appropriate for its intended audience? it is written from the third-person point of view. it is concise and impersonal. its sentence structure is varied. its language is informal.

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.