Answer:
You can learn it through a song or through an order
Explanation:
<h2>
From largest to smallest ;</h2>
Asia
Africa
North America
South America
Antarctica
Europe
Australia.
<h2>
Or from smallest to biggest ;</h2>
Australia.
Europe
Antarctica
South America
North America
Africa
Asia
i hope it helps :)
Well to find this out you need to make an equation
s+7=j
So for example if Johnny's sister is 15 then Johnny would be 22 because
s(sister's age) +7(number of years difference between their ages)=22(Johnny's age)
Rock layers form when settlements build up over time they usually have to go through pressure and compaction/cementation before this happens