Questions

We know that, there are three main types of rocks. They are

1. Metamorphic

2. Sedimentary (and)

3. Igneous

Granite is an example of igneous type of rock. These type of rocks are formed through the cooling and solidification of magma and lava.

Strahov Stadium in Praha,Czech Republic accommodation 240000 persons

A mixture is the blending of two or more dissimilar substances.

Characteristics of a Mixture:

1. It has No formula.

2. It is an impure sustance

3. They can be mixed in any ratio.

4. The properties of the mixture are the properties of its constituents.

5. Constituents can e easily seperated by physical methods.
eg: Heating, Drying, Crystallization, Distillation etc...

6. It is either homogenous or heterogenous.

A major characteristic of mixtures is that the materials do not chemically combine. Mixtures can be divided into those that are evenly distributed (homogeneous) and those that aren't (heterogeneous).

True, the given statement that the atmosphere is unaffected by changes in the geosphere.