A but the only reason why companies are actually caring about the earth is so that they sell more product and seem like they are doing good for the environment but economically they’re worse
        
             
        
        
        
Answer:
phylum Cnidaria
Explanation:
Cnidocytes represent a group of living organisms, whose members are Jellyfish, Sea Anemone, Hydra, Portuguese Caravel. Cnidocytes are found in the Cnidaria phylum.
Cnidaria, known in the past as coelenterates, are relatively simple animals with no circulatory and respiratory system, all of which are done through the diffusion process. They have diffuse nervous system and metabolism products are eliminated by mouth. The locomotion occurs through jets of water in the jellyfish and some polyps move slowly dragging or somersaulting.
 
        
             
        
        
        
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Hydrogen bonds are weaker than covalent bonds.