In which spear does the dolphins swim a atmosphere b lithosphere c magnetosphere d hydrosphere

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased