The action or fact of forming a united state that seems as the best answer
Answer: A
Explanation:
it’s a hands free device that prevents water being wasted
<span>ammonium nitrate is found in fertilizers</span>
<span>A substance that is made of atoms of more than one type bound together is called a <span><u>compound</u>.
</span>A compound is a</span><span> substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule. </span><span>
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They use them as food and habitats.
