A) The reason why if you do not properly handle the waste you’ll have chemical and radioactive waste going into your water supply or grounds and slowly might effect your heath or it’ll effect it quickly.
The similarities between sharks and dolphins are : Analogous
<h3>What are analogous structures ?</h3>
Analogous structures are similar structures present in different species that do not share the same/common ancestor.
The similarities between sharks and dolphins are streamlined bodies and the possession of fins and they are analogous structures because they evolved differently for sharks and dolphins as they do not share a common ancestor.
Hence we can conclude that The similarities between sharks and dolphins are : Analogous
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In the vacuum of space there is no molecules. Sound waves get to your ears by bouncing off of molecules in the air. No molecules in space's vacuum means sound waves have nothing to bounce of off so they can not reach our ears meaning we hear no sound.