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The answer is true. Their strike can break aquarium glass and even split open human thumbs.
3 examples would be touch, light and chemical.
and the most common signal would be chemical.
Hope this helps! (:
Answer:The only difference between a molecule of a compound and a molecule of an element is that in a molecule of an element, all the atoms are the same. For example, in a molecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (an element), both of the atoms are oxygen.
Explanation:hope this helps
The answer is Oceans because the biosphere extends from the deepest root systems of trees,to the dark environment of ocean trenches,to lush rain forests and high mountaintops.