Let's solve your equation step-by-step.
2a−8a=12−8a
Step 1: Simplify both sides of the equation.
2a−8a=12−8a
2a+−8a=12+−8a
(2a+−8a)=−8a+12(Combine Like Terms)
−6a=−8a+12
−6a=−8a+12
Step 2: Add 8a to both sides.
−6a+8a=−8a+12+8a
2a=12
Step 3: Divide both sides by 2.
2a
2
=
12
2
a=6
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Explanation
:
New Zealand islands are formed by volcanic activity, so they are not as old as the closest continents so that they could have some animals that evolved from the prehistoric species (especially the mammals). So when the islands formed, they were far away from the closest continent, Australia, and only the birds and the plants (through their seeds in the winds) managed to get in here and develop unique characteristics.<span />
<u>Answer:</u>
<em>C. Sulfur dioxide
</em>
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<u>Explanation:</u>
Sulfur dioxide is a dangerous chemical, and it may create complications. An ingredient incorporated in the making of sulfuric acid because it is widely used in many industries. When starting a car in the morning, one interacts with Sulfur, and this is experienced when striking a match.
The substance is usually colorless and soluble in water forming a gas. Sulfur is not, however flammable, but it has a transition that happens during the volcanic and produces a waster product with materials that are heated.
