Minerals may be defined as the combination of two or more elements of a substance.
<u>Five criteria that exhibits a particle to be minerals; </u>
- They are natural and not man-made.
- Inorganic i.e. not made by any organism.
- Minerals are solids, not liquid or gas.
- They have a definite chemical structure.
- The atoms in minerals are arranged systematically and are arranged in a repeated pattern.
Minerals are natural and we use it in our day to day life. Products like salt and even a pencil have minerals. Also, these minerals help the parts in the human body to grow faster and function properly.
The proportion of mottled fish will
increase over time because of the construction company that dumps a load of
gravel in the bottom of the lake which give it a mottled appearance that made
the mottled fish invisible by their major predator which is the wading bird that hunts them
by sight.
Answer:
Electromagnetic radiation is a type of energy that is commonly known as light. Generally speaking, we say that light travels in waves, and all electromagnetic radiation travels at the same speed which is about 3.0 * 108 meters per second through a vacuum.
Hope it helped!!!
