Answer:
why Are Acid-Base Indicators Important? Acid-base indicators are important because they help chemists get an estimate of the pH value of a given substance. ...
Explanation:
Acid-base indicators are usually weak acids or bases and are able to respond to changes in the hydrogen ion concentration of an unknown substance.
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
Answer:
harvesting of light energy and its transfer to the core
Explanation:
basically, the antennas are ablet o pick up light which is then transferred as energy.
I think the answer is "the older it is"
Reason: I might be wrong but is something (like a shell) gets buried in something (like sand), overtime many things (like dirt, soil, sand, etc.) will be on top of the original. This will make layers. So, the older rock is on the bottom since it has been there for the longest and it gets covered by other stuff (causing the layers).
Hope this helps! :) (If I'm wrong, sorry :( )
