Needwhich of the following techniques can be used to separate a heterogeneous mixture into its component parts? sort by color separation by density apply heat apply pressure

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

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Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?