A fellow student asks, "How is it possible that six feet of DNA can fit inside a single, microscopic nucleus of a cell?" Let's draw a parallel to help explain. If you were to unravel a ball of yarn, it would
probably be able to circle around your house (that's a long distance!). Use this comparison to answer
your fellow student's question.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.