6.02 times 10 to the 23rd power
Answer:
Light years are the only practical unit for measuring the distance of space
Explanation:
Practical... aka logical.
Answer:
MgO
Explanation:
Magnesium oxide is formed up of the ions Mg2+ and O2
I actually did the math for this a while ago. In order to install solar panels to every house in America it would cost a one time payment of about 900 billion dollars. We spend 700 billion on fossil fuels each year so in two years it would already pay itself off them we'd actually profit from it. Even if you don't believe in global warming you can't argue with that.
Hey there!
When work is done on an object, the amount of energy it has changes.
Hope this helps!
~Autumly
