Answer:
letter D.
Explanation:
it shows a pattern for determining the side of lengths of a triangle yeah the triangle had a model and a length
To calculate the average mass of the element, we take the summation of the product of the isotope and the percent abundance. In this case, the equation becomes 186.207=187*0.626+185*x where x is the percent abundance of 185. The answer is 0.374 or 37.4%. This can also be obtained by 100%-62.6%= 37.4%.
Minerals, Because when wind blows everything and crushes rocks into minerals.
Please make me brainy answer
According to Arrhenius Theory of acids and bases, an Arrhenius base, when dissolving in water, produces the only negative ion: OH-.
Therefore, (3) OH- is the correct answer.
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