The answer to this is C- electromagnetic waves.
Hope that helps :)
According to Bronsted-Lowry acid concept
an acid is a that donate a proton" and a base is a "proton acceptor."so
will look for that molecule to which <span>H2O</span> "donates" H+to become <span>OH−</span>. so answer will be..
. <span>NH3+H2O→NH+4+O<span>H<span>−
so correct option is NH3
hope it helps</span></span></span>
Answer: C. there is more silicon than calcium at the surface of the earth
Explanation:
Answer:
Explanation:
Terrestrial plants have stomata on the surface of their leaves. A single stomata is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma.
<em>Hope this helps (did this already) </em>
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<em>: )</em>
