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.
The brain loses its capacity to think well and do other life activities normally.....!
Meiosis is important in the human life cycle in terms of chromosome number because it maintains the chromosome number in human beings constant. Meiosis occurs when gametes are produced wherein only half the number of the total chromosomes are allotted for each gamete.