It makes a longitudinal wave because it stretches and compresses while it slithers forward
        
             
        
        
        
The answer would be the ozone layer. <span>A layer of ozone in the upper atmosphere absorbs </span>UV radiation<span> and </span>prevents<span> most of it from </span>reaching<span> the </span>Earth<span>. ... This means that more </span>ultraviolet radiation<span> can pass through the atmosphere to the </span>Earth's<span> surface, particularly at the poles and nearby regions during </span>certain<span> times of the year.
I hope that this helped you! Good luck. :)</span>
        
             
        
        
        
The pond is considered as a the crayfish's
A) habitat
This is because the pond is where the crayfish lives and where it gets its food. It does not stray far from it and go back to it just to get food. It stays in the same location.<span />
        
             
        
        
        
Answer:
lichens and bacteria also fungi are all example of pioneer species
Explanation: they are because of where they live how they grow and why they do what they do to help the environment.
 
        
             
        
        
        
Cell ten will have 460 chromosomes