Christians brought the trees into their homes in the 16th century.
The correct answer for this question is this one:
"The type of channel do Speaker 1 and Speaker 2 use in their communication is that they are directly receive the content of the message via person-to-person, without any device like telephone, sms, or someone who can deliver it to them personally.
Explanation:
i think the 3rd one i am not sure but i hope it helps