Answer:
The difference between intrusive and extrusive igneous is that, intrusive rock is one that forms when magma cools within Earth. Extrusive igneous rock is one that, forms when lava cools on Earths surface.
Answer:
the 3rd one would be most relative
Explanation:
If an element has 1 valence electron, according to the Lewis dot diagram structure there would have 1 dot to represent that one valence electron.
The reaction was that the activation energy was lowered and the bonds were changed. They combine briefly and form an enzyme-substrate complex.
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I am pretty sure the answer is D (combination)