Reading passages

According to the passage, farmers feel the soil in order to__________.

1. 
   check its ability to absorb heat ;
   
2. 
   determine its mineral content
   
3. 
   check the moisture content of the air
   
4. 
   determine the time to water crops
   

E) detect some creatures
75. According to the passage, what do the meters measure?

1. 
   The quality of crops being grown
   
2. 
   The temperatures of plants and air
   
3. 
   The water content of plants
   
4. 
   The rate of evaprotation
   

E) The hight of plants