Catalysts provide a new reaction pathway in which a lower A.E. is offered. A catalyst increases the rate of a reaction by lowering the activation energy so that more reactant molecules collide with enough energy to surmount the smaller energy barrier.
Then, what is the question ???
both P waves and S waves can travell through solids.In advance, P waves can travel through gasses too but S waves can't.
Answer:
D) address issues of pollution
Explanation:
Kyoto Accords is an international treaty that extended from the United Nations Framework Convention on Climate Change (UNFCCC) in 1992. Scientific research has shown result that a continuous increase in CO2 emission will be dangerous to our planet future. So the tenets trying to make a rule that will limit the pollution.