Answer:
<em>The correct option is D. 10</em>
Explanation:
Energy gets transferred from one trophic level to another when an organism consumes the organism below it on the trophic level pyramid. However, most of the energy is lost at each trophic levels. Ecologists have made observations and illustrated that only 10% of energy gets transferred from one trophic level to another.
For example, let's consider the energy in producers to be 100%. the energy transferred by them to the primary consumers will be 10%. The energy transferred from the primary consumers to secondary consumers will be 1%.
The answer is D. solid,liquid,gas,plasma
True, because the rain water mixes with oil and any particles on the roadway
Answer:
A mixture is a combination of two or more substances which are bound chemically. Identities of each substance is retained in the mixture.
Solid-solid mixture is sub-type of mixture which are formed by mixing two or more solids.
For example, soil (mixture of sand, silt, clay etc), gun powder (mixture of carbon, potassium nitrate, sulphur), etc.
Similarly, in class various solid mixtures are found such as:
- Chalk is mixture of calcium carbonate, silt and clay.
- Concrete is a mixture of cement, lime, sand, rocks, and water.
- Stationery such as pen, pencil, sharpener, etc also come under solid mixtures.
- Alloys are also considered as homogeneous mixture. So, bronze, brass etc found in electrical appliances are also an example of solid mixtures.