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Read the paragraph from the introduction [paragraphs 1 and 2].

If you care about the well-being of wildlife, the problem is even worse. According to some estimates, automobile collisions kill more than a million animals every day. For many species, it is the leading cause of death. Even worse, major roads can split up animal populations and destroy their habitats. Animals lose access to large areas of their habitats, which makes it much harder for many animals to find food and a mate.

Which conclusion is BEST supported by the above paragraph?