Question

This article is mainly about _________.

A. studies of animal sounds that humans are not able to hear. the question of why some animals laugh when they are tickled. the part of the brain that controls the body's defense systemD. similarities and differences between rats and other animals
Article: Are Rats Ticklish, Too?

Answer 1

the question of why some animals laugh when they are tickled.

Step-by-step explanation:

Answer 2

d similarites and differnces between rats and others animals

are rats tickilsh too

this some how explains it was expeiremented on other animals and are rats also the same

Step-by-step explanation:

hope this helps good luck