Another term for hydrocortisone.
I have never heard of biofilms I'm so sorry
Answer: Tree use a process called photosynthesis to convert CO2 into sugar and oxygen. The oxygen is a waste product. They release it into the air and that’s the air you breath
1. compound
2. element
3. element
4. compound
elements are only one type of thing, compounds are more than one type of thing
A- non-native species can have positive and negative affects