Answer the both question

Answers
1. Human beings play an important role in Resources development becoz Through human Many Inventions occurs like we have internet today through which we can get to know anything anywhere ,We can watch any live consult of PM and Any important leader,We can Check our Results Of exams . Our life becomes very easy ,Online shopping,Ticket booking all we can do while sitting home..
another Example is Vehicles today we have a lot of vehicles like Bike cars even at a affordable price in comparison to ancient times on there we had only Bullock cart like vehicles etc
2) Contribution in the conservation of resources can be done in many ways
* Plantation is the best means through which we can Prevent from pollutions from industry where electricity is very necessary resources
Uses of cng in place of petrol can also help in conservation of resources