1) convert cm to m
2) sig figs
When making a bigger number smaller, the exponent will be a positive number.
The answer will be 
× 
meters after rounding
<span>(3) Atomic masses are a weighted average of the naturally occurring isotopes.
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Here, we found this answer my looking at the key words 'naturally occurring isotopes'
An isotope is a different amount of neutrons, making the atomic mass change.
Answer:
Weather affects us in a huge number of ways. Climate influences the growth of crops, thus affecting the availability and kind of food we eat. Fluctuations in weather (e.g. dry spells, wet spells) also affect crops. Weather affects what clothes we wear.
Explanation:
To determine the pH of a weak base, we use the equation:
pH = 14 + 0.5 log Kb
Therefore,
pH = 14 + 0.5 log 3.25
pH = 14.26
A weak base is a base which does not fully dissociates into ions when in solution. The solution would contain cations, anions and the compound itself. Hope this helps.
<span>the answer is
C. The bar for very low concentration is twice the height of the bar for medium concentration.
proof
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<span>Medium--------------------15
</span>Very Low-------------------30 = 2<span /> x 15 (<span>Medium)
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