The Study of Chemistry

question 21

Essay

The Study of Chemistry
Which of the following items are matter and which are not?
a)A flashlight
b)Sunlight
c)An echo
d)Air at sea level
e)Air at the top of Mount Everest

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Definitions:

Export Platforms

Industrial zones or areas within a country designed primarily for the manufacturing of goods to be exported, emphasizing the country's role in global trade.

Communist Economic System

An economic system where all property is publicly owned and each person works and is paid according to their abilities and needs.

Public Sector

The portion of an economy that is controlled by the government, encompassing government services, enterprises, and state-owned entities.

Private Sector

The part of the economy that is owned and operated by private individuals and corporations, as opposed to the government or public sector.