You can see a physical change always but not always a chemical
answer: 3g. 17kg+3 ÷ 0.25
Answer:
Natural resources are not evenly distributed all over the world. Some places are more endowed that others — for instance, some regions have lots of water (and access to ocean and seas). Others have lots of minerals and forestlands. Others have metallic rocks, wildlife, fossil fuels and so on.
Explanation:
the answer: They represent different states of the same substance.
