Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
The answer is A.
Zionism is a national movement dedicated to re-establishing a Jewish national homeland in Palestine. It emerged as a response to the antisemitic campaigns happening in the late 19th century. Theodor Herzl is the founder of the Modern Zionist movement.
The United States of America is an example of a democratic country but with specific election process. Unlike other democratic country that its the people of the country decides who will be their president, USA elect their president through electoral college.
C is the answer. Hope this helps.
We have 8 continents on the Earth
