Medical and scientific research.
no because alot of people have trained gerbils to do things. not alot of people trained rats.
dog is more efficient than rat,dog has a lot of energy than a rat....i hope help this answer
Usually yes, but it depends on the size of the rat. My dad has seen a rat about the size of a long plank of wood and opossums are smaller than a long plank of wood, usually a few inches bigger than a regular rat. So usually yes, but unless you happen to see a rat bigger than an opossum, that rat has sure lived for a long time.
A rat is a rodent and it is bigger than a mouse. However the largest rodent is a capybara and that is the size of a pig.
In some cases, the squirrel and the rat can be the same weight, but usually the rat is a little bit smaller than the grey squirrel.
There were about 20,000 people who died in the earthquake of Rat Island, Alaska
The brown rat, also known as the Norway rat, is generally larger than the black rat, also known as the roof rat. Brown rats can weigh up to 500 grams, while black rats typically weigh around 150 grams.
Not if it is caught by a cat.
Because politicians communicate with general people
To rescue people from a sinking boat
no i feed my rat people food all the time