Answer:
A cold front is a boundary or zone that separates two air masses. The cooler more dense mass replaces the warmer.
hope this helps :)
Explanation:
The earths crust and the skin of rock on the outer layer of earth.
I can’t use evidence from the picture but the green slime from the pond that they are talking about is called Algae, which is alive and can grow quickly with sunlight or any other source of energy such as water and carbon dioxide. Hope this helps!!
Borax in water forms an ion called the borate ion
in doing this you can mix this with a glue which can create slime :)