Answer:
clouds and precipitation that minimize temperature changes.
Explanation:
Answer: there are three different methods of determining the age of a landform.
1 radiation measurement
2 stratigraphic superposition
3 the fossil record
by using these or a combination of these they determined that the earth is around 4.6 billion years old. and this is where the big bang theory comes into play.
All halogens are stable so they have 8 electrons in their last shell
There are no above options to choose from so I am giving an example of a X3Y2 formula which is Magnesium nitride, the formula is Mg3N2.