Earth's air is made up of molecules of different gases that are not joined chemically, and a terminology which best describes air is mixture.
<h3>What is a mixture?</h3>
A mixture can be defined as a combination of two (2) or more substances which are present in varied proportion (unfixed ratios). Also, a mixture can be visibly seen with our na-ked eyes and separated by physical means.
<h3>The types of mixture.</h3>
In Chemistry, there are two (2) main types of mixture and these include the following;
From the above definition of a mixture, we can reasonably infer and logically deduce that the particles of a mixture do not have a set ratio on how to combine and they can be separated through the use of a physical separation technique.
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Answer:
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Weathering and erosion
Explanation:
Weathering and erosion are the processes that would be partially responsible for the change in the landmasses. Since the image shows movement of continents to their current positions, their surfaces would have been sculpted by the agents of denudation through its 250mya history.
- Denudation is the gradual process of lowering and leveling of the earth surface by breaking and wearing away of such surfaces.
- The agents of denudation are wind, running water, ice and waves.
- Denudation is a constant process that the earth undergoes from time to time.
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Answer:
Which factor plays the most important role in determining population patterns of East Africa? the variety of environmental threats East Africa faces. Identify a way the economy of East Africa is changing. Rising foreign investment from China, resulting in improved infrastructure and increased trade.
Explanation: