A coral is a type of Marine animal (Invertebrate) that secretes calcium carbonate to form an organic rock home.
Of lack of services/safety, high crime and crop failure.
Answer:
Let's say it's two nights before the eclipse and you want to estimate where the eclipsed Moon will be in order to photograph it with some foreground object. If the eclipse begins at 11 PM, the Moon would be in approximately the same part of the sky at 9:20 PM two nights before the eclipse.
Explanation:
The answer is ; it becomes a Mg+1cation
The electron configuration of magnesium is 2.8.2
When a magnesium atom loses an electron it gains +1 charge. This is because it has an extra proton without a matching electron. It has to bind a -1 charged anion (ionic bond) or lose an extra electron (for stable electron configuration 2.8) to become stable.