Answer:
Matter is anything that has mass and takes up space. Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change none is created or destroyed.
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Answer:
A
Explanation:
I think the answer would be A
The correct answer is Hydroelectric (D)
The exception is the element<span> hydrogen. ... solid at room temperature (with the exception of mercury); usually shiny; </span>high<span> melting point; good conductor of ... could be </span>dull<span> or shiny; conducts heat and electricity, but not as well as metals ... allotropes–</span>Phosphorus<span>, Selenium and Carbon (in the form of graphite.) ...</span>
Ammonia is a base because, when it is dissolved in water it forms an hydroxide ion, which is highly unstable and when performed with test will show all results for basic nature.
