Answer:
chemical or physical i dont know for sure i kniw i have learned this juat cant rember
One chemical change would be baking the muffin.
One physical change would be chopping the fruits to add to the mixture
Answer: iron (oxides of iron)
Explanation: manganese nodules usually contain layers of iron and manganese oxides in a concentric arrangement and are called polymetallic nodules.
A chemical substance has the characteristics that it cannot be separated by physical methods. Seawater and milk can be separated by sedimentation, and air has different components depending on other aspects (such as elevation). Only ammonia is a substance. (thus it can have a formula: NH<span>3)</span>
