Weathering is a force that 1. builds landforms
2. never occurs
3. has little effect on landforms
4. wears away landforms

The first means of speeding up reactions mentioned by the speaker is raising the enzymes 

This  focuses on  the entrepreneurial leadership of these  growth  firms.   governmentministers can play a critical  role  in  fostering  enterprise and innovation. their  role  is to direct thegovernment  departments and agencies to  focus  on the problem and develop effective policies.