It should be the last one, but if you can pick more than one answer then I would do the first and last one but I’m confident that it would be the last one either way :) hopefully this is helpful
        
             
        
        
        
The main difference is that quotas restrict quantity while tariff works through prices
        
             
        
        
        
Quartz
Explanation:
Quartz is a framework silicate made up of interlocking SiO₂. It is the most resistant mineral to weathering. 
This is based on the Bowen's reaction series of minerals. 
From the series; 
- In a given melt, quartz is the last mineral to crystallize out of solution. 
- Olivine is usually the first
- Quartz being the last does not readily react with other substances. 
- This makes it resistant to agent of weathering. 
Learn more: 
Quartz brainly.com/question/5325748
#learnwithBrainly
 
        
             
        
        
        
Answer:
1.You can identify a fossil by determining it's age by comparing it to similar fossils.
2. You can measure the decay of isotopes within the fossil
Explanation:
 : )