Answer:
B: They are the results of many experiments over a long period of time.
Explanation:
Answer:
C
Explanation:
KCl - the flame test for Potassium produces a lilac flame
The term which is described as a long, narrow depression in the ocean floor would be ocean trench. They <span>are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Hope this answers the question.</span>