Questions

Crystal size in igneous rocks is determined by rate of cooling i.e, the time taken by magma to cool down. 

Hence, the slower the rate of cooling the larger the crystals. The faster the rate of cooling the smaller the crystals.

The 106th Indian Science Congress 2019 will held in Lovely Professional University in Jalandhar, Punjab from 3rd January 2019 to 7th January 2019. PM Narendra Modi is going to inaugarate this.

The current Union Minister of Railways in India 2019 is Piyush Goyal. He is also holding the Ministry of Finance for temporary.

A European traveler, Abbe J.A. Dubois, commented, at the beginning of the 19th century: "A Hindu woman can go anywhere alone, even in the most crowded places, and she need never fear the impertinent looks and jokes of idle loungers....A house inhabited solely by women is a sanctuary which the most shameless libertine would not dream of violating.' The women of the time possessed title individuality of their own. This does not mean that there were no exceptions to this rule.

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.