Your goal is to make the school track team. To do that, you feel you need to run after school every day. Two friends, Cesar and Erin, constantly put down your efforts. They make fun of you for practicing, for working hard. One afternoon, they walk up just as you are getting ready for your run. They laugh together about you, and then say they are going to the park to hang out, and ask you to join them. How do you make your decision?​

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explanation:

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the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.