Which of these sets of physical characteristics is used to classify animal groups

Covered in Fur

Explanation:

The kind of body covering an animal has is a physical characteristic. In this example, the animal is covered in fur. Objects or living things can be classified (grouped) by their physical characteristics

thymine. in rna, thymine is replace by uracil

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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