Answer:
A)Ocean floor evidence of sea floor spreading.
Explanation:
evidence pointing to the steps or process  of seafloor spreading and effective plate motion This theory was accepted by many scientist because  it depended  on hard evidence and could describe most of the modern geological structures such as ocean basins,
What is the tectonic theory?
The theory of plate tectonics plates  says  that Earth's surface is made of rigid slabs of rock, or plates, that move to each other. 
What is a tectonic plate?
They are huge slabs of rock that cover the earths mantle When a earthquake occurs that's because the tectonic plate is breaking  that makes the ground shake  During the earthquake and afterward, the plates keep on shaking until they are stuck again!
<em>Hope this helps!</em>
<em>                                                                                                   -Tobie the dog <3</em>
 
        
             
        
        
        
I'm pretty sure it's heterozygous Rr.
        
                    
             
        
        
        
Hello.
The answer is 
<span>B.They help produce plasma cells. 
Have a nice day</span>
        
             
        
        
        
The changes it made in forensic science by making it easier to prove if someone did or didn't do something and helps you identify someone if you cant figure out who it is
        
             
        
        
        
The organs listed above are all part of the excretory system except for the spleen and the <span>esophagus.
</span><span>The kidneys act to filter our blood, and remove wastes, which eventually pass out of us through urine,
The bladder acts to collect and store urine until it can be emptied through urination.
The ureter runs from the kidneys to the bladder whereas the urethra runs from the bladder to exit the body.</span>