Answer and Explanation:
Stress is pressure per unit area applied to a rock or solid.
Strain is the deformity or change in dimension of the rock as a proportion of the original dimension thus being a dimensionless quantity.
 
        
             
        
        
        
Answer:
Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.
 
        
             
        
        
        
Answer:
I'm pretty sure it's spring
Explanation:
Since they are on different hemispheres, (north and south) one side gets more sunlight than the other. Like how in the U.S. there's shorter days and it's colder, but say in Brazil, it will be hot with longer days
 
        
             
        
        
        
ANSWER: A country with a high rate of natural population increase, where food supplies are at risk
 
        
             
        
        
        
A. large, low coastal plains