What are two human activities that are harmful
to birds?

How have the greenhouse gasses increased from the year 2000 to 2018

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive