Answer:
One should use less energy and embrace alternative energy sources such as wind or solar energy. Will try to give what is taken away from the earth by giving back to it. Such as afforestation should be done
Explanation:
Answer:
looks, feels, how hard it is, how soft, where it came from
Explanation:
nucleotides, and the polymer i think ......
Answer: D. Iron rusts
Explanation: Rust is made from different chemicals in the air that come in contact with said metal. That could be acidic rain for example. Water freezing is only changing temperature. Sugar dissolving is breaking down molecules. Salt and pepper mixed in a dish is a physical change (also that's just plain evil to some people but that isn't the point). Your answer will be D. Iron rusts.
Hope this helps!
