The correct option is B. The newest crust on earth is located at the actual site of the floor spreading and as new crusts are formed they replace it. Thus, the older the crust the farther it is from the mid ocean ridge. 
Sea floor spreading is a geological process in which tectonic plates splits apart from one another. It occurs at divergent plate boundaries.
        
             
        
        
        
Answer:A
Explanation: Teacher gave me the answer 
 
        
             
        
        
        
They both eat zooplankton I think
        
                    
             
        
        
        
<span>There are many indicators for predator presence. Some of them are:
Being able to spot predator marks like scratches or fur. 
Being able to feel predator movements.
</span><span>Echo-location </span>For example, moths respond to the echo-location calls from their bat predators; moths drop to the ground once they hear the sound pulse from the bat.
        
                    
             
        
        
        
Answer:
The goal of systematics is to organize living things into groups that have biological meaning. the science of naming and grouping organisms.
Explanation: