Questions

• The First Anglo-Afghan War also known as Disaster in Afghanistan was fought between British imperial India and The Emirate of Afghanistan from 1839 to 1842.

• A British-Indian force attacks Ghazni fort during the First Afghan War, 1839.

The Peloponnesian war, between Athens and Sparta from 431 to 404 BC ended in the defeat of Athens and the destruction of her democracy. Athens became a subject state of sparta. This war marked the beginning of the end of the "Glory that was Greece".

Dr. A Keshav Krishna, a scientist at the National Geophysical Research Institute (NGRI), has been selected for 2016 National Geoscience Award by the Ministry of Mines in the field of Geo-environmental studies in applied geosciences.

An explicit intent explicitly defines the activity the developer wishes to start. 

Script code :

Intent myIntent = new Intent(this, MyNewActivity.class);

startActivity(myIntent);

While moving from left to right in periodic table basic character of oxide of elements will decrease.

  ∴→Increasing basic strengthAl2O3<MgO<Na2O 

and while descending in the group basic character of corresponding oxides increases. 

 ∴→Increasing basic strengthNa2O<K2O

∴ Correct Order is Al2O3 < MgO <Na2O <K2O