Answer: the idea behind scratching at the ground before drinking water is a similar one. For cats, it is an instinctive behavior to paw and dig for both food and water. When your cat gets ready to drink its water, they may have an instinct to try and “dig” the water up.
Explanation :Is that important lol this is not from school -_-
,and I know a lot of cats I am a cat lover.
The answer is, "<span>gathering data without physical contact with the object being observed</span><span><span>".
</span>Have a nice day! :)</span>
The most important characteristic of an entity is its primary key, used to uniquely identify each entity instance.
<h3>What is primary key?</h3>
A column, or group of columns, known as a primary key in a table uniquely identifies each row of data. For instance, CustomerNo, which displays the ID numbers assigned to individual customers.
The primary key of a relational database, often called the primary keyword, is a key that is unique to each entry. It is a unique identification number, much like the ones on a driver's license, phone with an area code, or car (VIN). A relational database's primary key must always be distinct.
Thus, it is a primary key.
For more details about primary key, click here:
brainly.com/question/13437797
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Asuming its per year the answer would be 462,000
