Calcium has 2 valence electron.
Lithium has 1 valence electron.
Argon has 8 valence electron.
Fluorine has 7 valence electron.
The correct answer is an opportunity cost.
<em>The sacrifice involved in making one decision over another is called an opportunity cost.
</em>
When talking about an opportunity cost, it is referred to as the benfits that exist when making a decision. It could be in business or a personal decision. When one individual makes a decision, there are other options left that can have benefits. The sacrifice involved in making one decision over another is called an opportunity cost. That is why is recommended to make a <u>cost-benefit analysis</u> to contemplate all the benefits.
Answer:
1. arc B is half the circle
2. not shure
Its is true Saddam Hussein relied on sharia laws in 2009,2012 and in 2017 when Barack Obama was not in office anymore
Answer:
c) Alliances required nations to defend each other against aggression.
Explanation:
Secret alliances were formed prior to the outbreak of the war. After the Assassination of Franz Ferdinand the Archduke of Austria-Hungary the alliance systems went into effect leading to many nations protecting one another.
Hope this helps! :)