Answer:
Many farmers use chemical herbicides to kill weeds and
insecticides to kill insects. Using genetic engineering, scientists
have developed ways to resist harmful crop pests. In this Gizmo,
you will use genetic engineering techniques to create genetically
modified corn.
Explanation:
Many farmers use chemical herbicides to kill weeds and
insecticides to kill insects. Using genetic engineering, scientists
have developed ways to resist harmful crop pests. In this Gizmo,
you will use genetic engineering techniques to create genetically
modified corn.
 
        
             
        
        
        
Just like a compass, a modern day gps will say whether you're going north, east, south, or west, however they also tell your exact location and the location that you need to go too. 
 
        
             
        
        
        
I think it is B. biome 
Because biome means a large area dominated by characteristic plants and animals, such as a rain forest, desert, or tundra.
        
                    
             
        
        
        
It's also known as ulnar drift.