Answer:
some commonly and naturally occurring chemicals are <u>sodium, potassium and lithium</u>
Explanation:
- The most commonly found water-reactive mineral or chemical found are list above as these are commonly found abundant in nature and most of these elements some heavy metals are found throughout the artificial sources.
- Some substances react with water to produce heat such as flammable hydrogen gases Sodium is a naturally and artificially indirect form of a chemical element that is mixed with water sop as to produce the desired reaction on the object.
- Lithium is a colorless substance found in water forming a basic solution. Potassium is also a tasteless colorless and odorless substance that is dissolved in water and is known for the vital forms of life.
<span>The <u>Cultural Landscape</u> is a
theory that states that the sum affects the human population has on the
environment. It means that any changes that the humans applied to the environment
will be experienced by them. There are a lot of places or things that humasn
affect the environment. An example of this is the pyramid of Egypt. The Egyptians
changed the topography of th land in the areas where pyramids were built. At the
same time, it also affected their lifestyle. </span>
Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet.
Explanation:
Pluto did not possess the full characteristics of a regular planet
I hope this helps