Answer:
D. low = 2, high = 1
Explanation:
Middle is 2
First call: low = 0 high = 1
Middle is 0
Second call: low = 1 high = 1
Middle is 2
Third call: low = 2 high = 1
Elements emit colours when heated because electrons in atoms can have only certain allowed energies.Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light. Every element has a different number of electrons and a different set of energy levels. Thus, each element emits its own set of colours. See, for example, mercury and neon above. Those colours are as distinctive to each element as fingerprints are to people.
Answer:
Explanation:
A world region is a large primary division of the world used in higher education — originally in anthropology, but then also in geography and history, and as the basis for area studies.
Answer:
The Thirteenth Amendment to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. It was passed by the Senate on April 8, 1864, by the House on January 31, 1865, and adopted by the States on December 6, 1865.
Explanation:
Hope This Helps
