Wild animals are commonly divided into groups with similar characteristics. the two categories used for mammals are:

Category used for these mammals is Order Carnivora.

Explanation:

Order Carnivora is divided into:

(1). Cat family which is Felidae and

(2). Dog family which is Canidae

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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