2) You are probably starting to see that any form of rock can be changed into any other form of rock. How could a rock be changed but still be classified as the same form of rock?

3) which rock is formed from broken-down pieces of rock? How do you think these pieces harden into rocks in nature?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together