Five of the six treatments in this experiment use a vinegar solution. why is it important to use a water solution at the beginning of the experiment for sample a instead of just starting with sample b?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

This diagram show the most important texts of.

Giving an address, such as "1000 elysian park avenue, los angeles, .ca, its an example of describing the